Let f(x)=x^(2)+5 and g(x)=x-7. Find (f(x))/(g(x)). What is the domain?

Answers

Answer 1

The domain of the function (f(x))/(g(x)) is all real numbers except x = 7. In interval notation, the domain can be expressed as (-∞, 7) U (7, +∞). This means that any real number except 7 can be used as an input for the function.

To find the domain of the function (f(x))/(g(x)), we need to consider the restrictions on the variable x that would make the expression undefined. In this case, division by zero is undefined, so we need to determine the values of x that would make the denominator, x - 7, equal to zero.

Setting the denominator equal to zero:

x - 7 = 0

Solving for x:

x = 7

We find that x = 7 would make the denominator zero, which would result in division by zero and an undefined expression.

Therefore, the domain of the function (f(x))/(g(x)) is all real numbers except x = 7. This means that any real number can be used as an input for the function, except for x = 7. In interval notation, the domain can be expressed as (-∞, 7) U (7, +∞), indicating that x can take any value less than 7 or greater than 7, but it cannot equal 7.

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Related Questions

IfIf a line passes through the points (3, 8) and (1,3), its slope isnecessary, use the slash () to indicate a fraction.

IfIf a line passes through the points (3, 8) and (1,3), its slope isnecessary, use the slash () to indicate

Answers

slope = 5/2

Explanation:

The points given: (3, 8)and (1, 3)

Using the slope formula:

\(m\text{ = }\frac{y_2-y_1}{x_2-x_1}\)\(\begin{gathered} x_1=3,y_1=8,x_2=1,y_2\text{ = }3 \\ \text{slope = }\frac{3\text{ - 8}}{1\text{ - 3}} \\ \end{gathered}\)\(\begin{gathered} \text{slope = }\frac{-5}{-2} \\ \text{division of same sign gives a positive number} \\ \text{slope = 5/2} \end{gathered}\)

Complete the sequence
8,27,64,125,.........
Just next letter

Answers

Answer:

216.

Step-by-step explanation:

These numbers are perfect cubes starting with 2^3.

2^3, 3^3,  4^3,  5^3 so the next one is 6^3, which is 216.

the volume of a circular cylinder is $100$ cubic feet. if the radius of its base decreases by $10\%$ but the height increases by $10\%$, what is the volume of the new cylinder in cubic feet?

Answers

Answer:

100

Step-by-step explanation:

its impossable

The new volume of the cylinder is $100$ cubic feet.

Let the original radius and height of the cylinder be $r$ and $h$, respectively. Therefore, the original volume of the cylinder is given by $\pi r^2 h = 100$. After the radius decreases by $10%$ and the height increases by $10%$, the new radius and height become $0.9r$ and $1.1h$, respectively. The new volume of the cylinder can be calculated as $\pi (0.9r)^2 (1.1h) = 0.891\pi r^2 h$. Since $0.891\pi r^2 h = 100$, the new volume of the cylinder is $100$ cubic feet.

Therefore, the new volume of the cylinder is the same as the original volume, i.e., $100$ cubic fee

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1. Use the figure to determine the value of x and y.

1. Use the figure to determine the value of x and y.

Answers

Answer:

Step-by-step explanation:

x=100 bc like 180-80=100

y=80 bc vertical angles

Answer:

y = 80*

x = 100*

Step-by-step explanation:

y is the same to the 80* angle and therefore x is 100*

180* - 80 = 100*

Can someone help me with these geometry questions? I can’t seem to understand them. If u find the answers, can u explain it too? It’s urgent

Can someone help me with these geometry questions? I cant seem to understand them. If u find the answers,

Answers

Question 5

Vertical angles are congruent. Therefore, \(3y=\boxed{150}\). The sum of two supplementary angles equals \(\boxed{180^{\circ}}\).

Therefore, \(6x+150=\boxed{180}\)

Question 6

\(\angle b-14=90-\angle b\\\\2\angle b=104\\\\\angle b=\boxed{52^{\circ}}\)

Question 7

\(\angle d+32=180-\angle d\\\\2\angle d=146\\\\\angle d=\boxed{73^{\circ}}\)

Question 8

\(7x-80=3x\\\\-80=-4x\\\\x=20\\\\\implies \boxed{m\angle 1=m\angle 3=60^{\circ}}\)

if 7x - 11 = 17, then x = 4
I really need help I don’t understand anything and my teacher isn’t a big help either

if 7x - 11 = 17, then x = 4 I really need help I dont understand anything and my teacher isnt a big help

Answers

It is C. In option C, it tells you that x=4. All you have to do is fill in the blanks.

7 • 4 - 11 = 17
28 - 11 = 17
17 = 17

The statement is true. 17 does equal 17, so the answer is C.

Please give me the equation for this problem and its two step equation

Please give me the equation for this problem and its two step equation

Answers

Answer:

x = (465-9)/8

Step-by-step explanation:

1) 465 students in total and 9 couldn't go into a bus, to get those in a bus, take 9 away from 465 to get 456.

2) 8 busses with 456 students filling each bus is just 456/8 which equals 57

3) Answer is (465-9)/8

3[–x + (2 x + 1)] = x – 1
X=?

Answers

Answer :


X = - 1 2/29

Adding and subtracting rational expressions, What is the difference? 2x+5/x^2-3x - 3x+5/x^3-9x - x+1/x^2-9?

Answers

After adding and subtracting the rational expressions , the simplified rational expression is 4x - 4/x² - 5/x³ + 9  .

We first simplify each expression inside the parentheses :

that means :

⇒ (2x + 5/x² -3x) = (2x - 3x + 5/x²) = (-x + 5/x²) ;

⇒ (3x + 5/x³ - 9x) = (-6x + 5/x³)  ;

⇒ (x + 1/x² - 9) = (-9 + x + 1/x²)  ;

Now we substitute these expressions into original equation/expression :

we get ; (-x + 5/x²) - (-6x + 5/x³) - (-9 + x + 1/x²)

Simplifying further ,

we get ;

⇒ -x + 5/x² + 6x - 5/x³ + 9 - x - 1/x²  ;

On Combining the like terms, we get ;

⇒ 4x - 4/x² - 5/x³ + 9

Therefore, the simplified rational expression is 4x - 4/x² - 5/x³ + 9.

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The given question is incomplete , the complete question is

Adding and subtracting rational expressions, Simplify the rational expression  (2x + 5/x² -3x) - (3x + 5/x³ - 9x) - (x + 1/x² - 9)  .

Which equation below models this situation? Last week, Tina worked 36 hours in 6 days. She worked the same number of hours each day. How many hours did she work each day?
6h = 36
h/6 = 36
h - 6 = 3
h + 6 = 36

Answers

The first one is correct.

Answer:

6h = 36

Step-by-step explanation:

h is for the number of hours she worked each day. She worked in 6 days for 36 hours so 6h = 36.

1000+1000^3 I NEED HELP PLEASE

Answers

To solve this expression, we can use the order of operations, also known as PEMDAS, which stands for Parentheses, Exponents, Multiplication and Division (performed left to right), and Addition and Subtraction (performed left to right).

Following this order, we first need to evaluate the exponent, which gives:

1000^3 = 1,000,000,000

Then, we can substitute this value back into the expression:

1000 + 1000^3 = 1000 + 1,000,000,000 = 1,000,000,000 + 1000 = 1,000,001,000

Therefore, 1000 + 1000^3 equals 1,000,001,000.

Answer: 8000000000

Step-by-step explanation:

a 2-member committe will be selected from 6 members of high school student council to attend a rally in washington, d.c. how many different 2-member committes are possible?

Answers

The order of the outcomes is irrelevant when calculating the total outcomes of an event using combinations. We will use the formula nCr = n! / r! * (n - r)! to calculate combinations.

15 different 2-member committees are possible.

What is a permutation vs combination?Subsets of a set can be created in two different ways: combination and permutation. The subset's components can be listed in any order when combined. The components of the subset are listed in a permutation in a particular order.The various ways in which items from a set may be chosen, usually without replacement, to form subsets, are called permutations and combinations. When the order of the selection is a factor, this selection of subsets is referred to as a permutation; when it is not, it is referred to as a combination.The order of the outcomes is irrelevant when calculating the total outcomes of an event using combinations. We will use the formula nCr = n! / r! * (n - r)! to calculate combinations.

C(6,2) = 6!/(4!2!) = 15.

15 different 2-member committees are possible.

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Will name BRAINLEST!!

Determine the area of the given triangle.

Will name BRAINLEST!!Determine the area of the given triangle.

Answers

Answer:

My answer is 8. I just rounded if you don't want to round just go with 7.5.

Answer:

7.5 units

Step-by-step explanation:

It is hard to explain...

true or false? a proportion is a type of ratio in which the numerator is part of the denominator and can be expressed as a percentage.

Answers

True, a proportion is a type of ratio in which the numerator is part of the denominator and can be expressed as a percentage.


A proportion is a mathematical relationship between two numbers, showing that one number is a part of the other or that they share a certain ratio. It compares two ratios and checks if they are equal. For example, if we have two ratios 1:2 and 2:4, these ratios are in proportion because they have the same relationship (1 is half of 2, and 2 is half of 4).
To express a proportion as a percentage, follow these steps:
Convert the ratio to a fraction: In our example, the ratio 1:2 can be converted to the fraction 1/2.
Divide the numerator by the denominator: In this case, we will divide 1 by 2, which equals 0.5.
Multiply the result by 100: Finally, multiply 0.5 by 100 to get the percentage, which is 50%.
So, the statement is true that a proportion is a type of ratio in which the numerator is part of the denominator and can be expressed as a percentage. This concept is essential in various mathematical and real-life applications, such as calculating discounts, tax rates, and percentages of various quantities.

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Simplify the expression 9+(3x+4)

Answers

Answer:

3x+13

Step-by-step explanation:

=9+(3x+4)

=9+3x+4

=3x+13

Paul was thinking of a number. Paul doubles it and adds 8.7 to get an answer of 23.4. Form an

Answers

Assuming it says form an equation it’s
2x +8.7 = 23.4
In that case he was thinking of the number 7.35

Which best describes the classification for the
following number set?
{3, 6, 12, 35, 56}
I. Rational numbers
II. Integers
III. Whole numbers
I only
III only
II and III only
I, II, and III

Answers

Answer:

1, 2, and 3

Step-by-step explanation:

Martine had 2 apples and mark had another 2 how many apples do they have in total​

Answers

Answer:

4

Step-by-step explanation:

They have 4 because when you add 2+2 you get the sum of 4.

Answer:

4

Step-by-step explanation:

Just add the apples together. Although if this is a riddle then I don't know. They use past tense saying that they HAD 2 apples. I highly doubt this is a trick question though.

If Pua needs 3 1/4 cups of oatmeal, how many 1/4 cups of oatmeal will she use?


ANSWER: If you do a trick called all around the world, you should get
13/4

Answers

Pua will use 13, 1/4 cups of oatmeal.

What is division?

The division in mathematics is one kind of operation. In this process, we split the expressions or numbers into the same number of parts.

Given:

Pua needs 3\(\frac{1}{4}\) cups of oatmeal.

The number of 1/4 cups of oatmeal,

she will use,

= 13/4 ÷ 1/4

= 13

Therefore, she will use 13 cups.

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Which of the following recursive formulas represents the same arithmetic sequence as the explicit formula an = 5+ (n-1)2?

Which of the following recursive formulas represents the same arithmetic sequence as the explicit formula

Answers

Answer:

\(a_1 = 5\)

\(a_n = a_{n-1} + 2\)

Step-by-step explanation:

Given

\(a_n = 5 + (n - 1)2\)

Required

The equivalent recursive function

The general explicit function is:

\(a_n = a_1+ (n - 1)d\)

So, by comparison

\(a_1 = 5\)

\(d = 2\)

The recursion of an arithmetic sequence is:

\(a_n = a_{n-1} + d\)

Substitute 2 for d

\(a_n = a_{n-1} + 2\)

Hence: (a) is correct

What is -3(w +2) - 12(2-w) simplified

Answers

Answer:

\( 3(3w - 10)\)

Step-by-step explanation:

\( - 3(w + 2) - 12(2 - w) \\ - 3w - 6 - 24 + 12w \\ = 9w - 30 \\ = 3(3w - 10)\)

Hope this helps

Can I have the brainliest please?

The single inequality y > |x + 2| is equivalent to which of the following systems?
Answers:
1.y > x + 2
y > –x + 2

2.y > x + 2
y > –x – 2

3.y > x + 2
y < –x + 2

4.y > x + 2
y < –x – 2

Answers

The single inequality y > |x + 2| is equivalent to:

4. y > x + 2

y < –x – 2

What is an inequality?

It should be noted that an inequality is simply used to show the relationship between the expressions that aren't equal.

The non-negative value of a real number x, regardless of its sign, is its absolute value or modulus | x |. For instance, 5 has an absolute value of 5, and 5 has a value of 5. One way to think about a number's absolute value is as its distance from zero on the real number line.

It should be noted that based on the information, the inequality is:

y > |x + 2|. This is the positive part of the modulus.

This is the same as y < –x – 2 when the signs are changed. This is the negative part of the modulus.

In conclusion, the correct option is 4.

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How does a factor with the multiplicity of 2 affect the graph of a polynomial function

Answers

Step-by-step explanation:

the graph of a polynomial function will touch the x-axis at zeros with even multiplicities.The graph will cross the x-axis at zeros with odd multiplicities.THE HIGHER THE multiplicities,THE FLATTER THE CURVE IS AT ZERO.

In a​ survey, 200 people were asked to choose one card out of five cards labeled 1 to 5. The results are shown in the table. Compare the theoretical probability and experimental probability of choosing a card with the number

Answers

Using the probability concept, it is found that:

The theoretical probability of choosing a card with the number 4 was of 0.20 = 20%.The experimental probability of choosing a card with the number 4 was of 0.24 = 24%.

What is a probability?

A probability is given by the number of desired outcomes divided by the number of total outcomes.

For an experimental probability, these number of outcomes are taken from previous trials. Researching the problem on the internet, it is found that 48 of the 200 trials resulted in the number 4 being chosen, hence:

pE = 48/200 = 0.24.

For the theoretical probability, we consider that each card is equally as likely to be picked, hence:

pT = 1/5 = 0.2.

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(10.05 LC)

If sin(x) =½
what is cos(x) and tan(x)? Explain your steps in complete sentences. (10 points)

Answers

Answer:

Cos x = \(\frac{base}{hypotenuse}=\frac{\sqrt{3} }{2}\)

Tan x = \(\frac{perpendicular}{base} = \frac{1}{\sqrt{3} }\)

Step-by-step explanation:

Sin x = \(\frac{perpendicular}{hypotenuse} = \frac{1}{2}\)

So, Perp = 1 and hyp = 2

Putting this in Pythagorean theorem to get the base

\(c^2 = a^2+b^2\)

\(a^2 = c^2-b^2\)

base ² = 4-1

base² = 3

Taking square root on both sides

Base = \(\sqrt{3}\)

Now

Cos x = \(\frac{base}{hypotenuse}=\frac{\sqrt{3} }{2}\)

Tan x = \(\frac{perpendicular}{base} = \frac{1}{\sqrt{3} }\)

what is the fourth step of the risk assessment process? a. determine probability b. estimate severity c. determine current level of preparedness/mitigation d. identify hazards

Answers

The fourth step of the risk assessment process is to determine current level of preparedness/mitigation.

The correct option is C.

What exactly is the risk assessment process?

A risk assessment is a procedure for identifying potential dangers and analyzing what might happen if one happens. A business impact analysis (BIA) is a procedure that determines the probable consequences of interrupting time-sensitive or important business processes. There are various potential hazards to be mindful of.

What exactly is the goal of risk assessment?

The ultimate goal of risk assessments is to improve workplace safety and health. However, to order to accomplish this, your risk assessment process must identify occupational hazards and eliminate or reduce the risks they represent.

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Which ratios are equivalent? Check all that apply 9:15 and 18:3021:25 and 30:503:5 and 5:105:6 and 20:24

Answers

Answer:

9:15 and 18:30

Explanation:

To determine which ratios are equivalent, we reduce each one to its lowest form and see if they are the same.

\(\begin{gathered} 9\colon15=3\colon5 \\ 18\colon30=3\colon5 \end{gathered}\)

Next:

\(\begin{gathered} 21\colon25=21\colon25 \\ 30\colon50=3\colon5 \end{gathered}\)

Next we have:

\(\begin{gathered} 3\colon5=3\colon5 \\ 5\colon10=1\colon2 \end{gathered}\)

Finally:

\(\begin{gathered} 5\colon6=5\colon6 \\ 20\colon24=5\colon6 \end{gathered}\)

Therefore, the ratios which are equivalent are Options A and D.

1/2x + 3 = x + 5 what is the first step?​

Answers

Answer:

The first thing to do when solving an algebraic equation is the isolate the variable.  Thus, simply subtract 1/2x from both sides of the equation and subtract 5 from both sides to get \(-2=\frac{1}{2} x\)

Select the correct answer.
What type of transformation does shape A undergo to form shape B?



A.
a reflection across the x-axis
B.
a translation 3 units right and 1 unit down
C.
a 90° counterclockwise rotation
D.
a 90° clockwise rotation

Select the correct answer.What type of transformation does shape A undergo to form shape B? A. a reflection

Answers

The type of transformation that shape A passed through to form shape B is

D. a 90° clockwise rotation

How to find the transformation

We find the transformation by investigating the image, we can see that the image made a clockwise rotation of 90 degrees

A 90° clockwise rotation refers to a transformation in which an object or coordinate system is rotated 90 degrees in the clockwise direction, which means it turns to the right by a quarter turn.

In a two-dimensional space, a 90° clockwise rotation can be visualized by imagining the object or points rotating around a central axis in the clockwise direction.

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The type of transformation which shape A undergo to form shape B include the following: D. a 90° clockwise rotation.

What is a rotation?

In Mathematics and Geometry, a rotation is a type of transformation which moves every point of the object through a number of degrees around a given point, which can either be clockwise or counterclockwise (anticlockwise) direction.

Next, we would apply a rotation of 90° clockwise about the origin to the coordinate of this polygon in order to determine the coordinate of its image;

(x, y)                →            (y, -x)

Shape A = (-1, 2)          →     shape B (2, 1)

Shape A = (-1, 4)          →     shape B (4, 1)

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A length is measure as 21cm correct to 2 significant figures. What is the upper bound and lower bound

Answers

The length in this instance is accurately measured at 21 cm to two significant figures.

1. Upper Bound:

The upper bound is the highest possible value that the measurement could have while still being correct to 2 significant figures.

In 21 cm, the last significant figure is 1.

The next possible value after 1 is 2.

So, half of the difference between 2 and 1 is 0.5.

Upper Bound = 21 + 0.5

                       = 21.5 cm

2. Lower Bound:

In 21 cm, the last significant figure is 1, and the next possible value after 1 is 2. So, half of the difference between 1 and 2 is 0.5.

Lower Bound = 21 - 0.5

                       = 20.5 cm

Therefore, the upper bound is 21.5 cm and the lower bound is 20.5 cm.

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