If f(x) = 2x + 7 and g(x) = 3x - 6, then what is (f + g)(x)?

Answers

Answer 1

9514 1404 393

Answer:

  (f+g)(x) = 5x +1

Step-by-step explanation:

Substitute the given expressions and simplify.

  (f+g)(x) = f(x) +g(x)

  (f+g)(x) = (2x +7) +(3x -6) = (2x +3x) +(7 -6)

  (f+g)(x) = 5x +1


Related Questions

joey goes to the carnival. he spends $26. he buys himself a supersize shake for $5.00. He also buys six regular-size sundaes. Write an equation that you could solve to find out how much each sundae costs.

HELP PLS, IT'S A TEST-

Answers

You would need to subtract the 26 dollars by the 5 dollar shake to get 21 which is the amount he spent on all the shakes. Now divide 21 by 6 and your answer would be $3.5 per Sunday
($3.5 x 6 (amount of shakes) = $21 which is the amount he had after buying the $5 supersize shake)

What is the value of x? Round to the nearest thousandth.

What is the value of x? Round to the nearest thousandth.

Answers

Applying the tangent ratio, the value of x in the image, rounded to the nearest thousandth is: 15.824.

How to Find the Value of x Using the Tangent Ratio?

The tangent ratio, commonly referred to as "tangent," is a trigonometric function that relates the ratio of the length of the side opposite an angle to the length of the side adjacent to that angle in a right triangle. It is expressed as:

tan (∅) = opposite/adjacent

We have the following:

Reference angle (∅) = 53 degrees

Length of opposite side = 21

Length of adjacent side = x

Plug in the values:

tan 53 = 21/x

x * tan 53 = 21

x = 21 / tan 53

x = 15.824

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Type the correct answer in each box,
For the sequence (-10,-5, 0, 5, 10, 15, 20,...), the index starts at 1,
In the sequence, the index of I Is 1. When n = 5, the corresponding term in the sequence is

Answers

Answer:

The \(n^{th}\) sequence aₙ = -15 +5n

The fifth term of the sequence

a₅ = 10

Step-by-step explanation:

Step(i):-

Given sequence

           -10,-5,0,5,10,15,20,.....

The first term = -10

The difference of two terms in the given sequence is equal

d = -5-(-10) = -5 + 10 = 5

d = 0 -(-5) = 5

The given sequence is in arithmetic progression

Step(ii):-

The \(n^{th}\) sequence

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

aₙ = -10 +(n-1) 5

aₙ = -10 + 5n -5

aₙ = -15 +5n

Step(iii):-

The \(n^{th}\) sequence aₙ = -15 +5n

put n = 5

a₅ = -15 + 5(5) = -15 +25 = 10

Final answer:-

The \(n^{th}\) sequence aₙ = -15 +5n

The fifth term of the sequence

a₅ = 10

Answer:

The sequence starts with -10, and the index starts at 1. So, the index of -10 is 1.

n = 5 refers to the fifth term of the sequence, which is 10.

Step-by-step explanation:

Plato Answer

Which one of the following gives the best tools for measuring the center and spread? A. Mean and standard deviation B. Median and standard deviation C. Mean and IQR D. Median and IQHR

Answers

Mean and IQR (Interquartile Range) give the best tools for measuring the center and spread. So, the correct option is C.

The mean is a measure of central tendency that is calculated by adding up all the values in a dataset and dividing by the number of values. The mean is sensitive to extreme values, also known as outliers, and can be affected by skewed data.

The IQR is a measure of spread that gives the range of the middle 50% of the data. It is calculated by finding the difference between the 75th percentile (Q3) and the 25th percentile (Q1) of the data. The IQR is less sensitive to outliers than the standard deviation, which is a measure of spread that gives the average distance of the data points from the mean.

The median is a measure of central tendency that is the middle value in a dataset when the values are arranged in order. It is less sensitive to extreme values than the mean and is useful when the data is skewed.

While mean and standard deviation are commonly used measures of center and spread, they may not be appropriate for all datasets, especially those that are skewed or contain outliers. Therefore, mean and IQR are often preferred for summarizing the center and spread of such data.

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Negative 3 (8 minus 5) squared minus (negative 7) = negative 3 (3) squared minus (negative 7) = negative 3 (9) minus (negative 7) = 27 minus (negative 7) = 34.

What was Huda’s error?
Huda evaluated (3) squared incorrectly.
Huda found the product of –3 and 9 as positive.
Huda subtracted –7 from 27 incorrectly.
Huda did not follow the order of operations.

Answers

Huda's error in evaluating (3) squared incorrectly led to the incorrect final result.

The correct answer should be -20, not 34.

Huda's error was that she evaluated (3) squared incorrectly.

Instead of calculating 3 squared as 9, she mistakenly considered it as 3. This error led to incorrect subsequent calculations and the final result of 34, which is not the correct answer.

To evaluate the expression correctly, let's go through the steps:

Negative 3 (8 minus 5) squared minus (negative 7) \(= -3(3)^2 - (-7)\)

First, we simplify the expression within the parentheses:

\(-3(3)^2 - (-7) = -3(9) - (-7)\)

Next, we evaluate the exponent:

-3(9) - (-7) = -3(9) + 7

Now, we perform the multiplication and addition/subtraction:

-3(9) + 7 = -27 + 7 = -20

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If your travel at a rate of 45 miles per hour, how many mintues will it take you to travel 1 mile.

Answers

Answer:

0.75

Step-by-step explanation:

45 divided by 60 = 0.75 so, the answer is 0.75

Consider the probability statements regarding events A and
B below.

P(A or B) = 0.3
P(A and B) = 0.2
P(AB) =0.8

What is P(B)?
A) 0.1
B) 0.375
C) 0.25
D) 0.667

Answers

The calculated value of the probability of B is (c) 0.25

How to calculate the probability of B

From the question, we have the following parameters that can be used in our computation:

P(A or B) = 0.3

P(A and B) = 0.2

P(A/B) =0.8

First, we have

P(A/B) = P(A and B)/P(B)

Substitute the known values in the above equation, so, we have the following representation

0.2/P(B) = 0.8

So, we have

P(B) = 0.2/0.8

Evaluate

P(B) = 0.25

Hence, the probability of B is 0.25

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I need help I haven’t been here a week and I don’t understand my homework

Solve either

I need help I havent been here a week and I dont understand my homeworkSolve either

Answers

Answer: you need to add

Step-by-step explanation: I would ask your teacher to help you understand the lesson.  

2p + 5 + 3p = 6p +9




Pleaseee help and can you show work if you can

Answers

Answer:

Step-by-step explanation:Combine like terms:

2p+3p+5=6p+9

5p+5=6p+9

5p+5=6p+9

     5         9

5p=6p+4

5p=6p+4

6p       6p

p=-4

It costs James $4 to make an order of a dozen cookies. If he sells them for $20, what percentage is each order of cookies marked up?

HELP ASAP THANK YOU SO MUCH
A) 20%

B) 80%

C) 400%

D) 500%

Answers

Answer:

Step-by-step explanation:] Answer would be 400%

New value - Original Cost

                                             

         Original value

= 20 - 4/4

= 16/4

= 4 x 100

= 400%

One number is 10 less than 5 times the second number. Their sum is 26. Find the numbers.

Answers

the answer is 40
this should be right

The two numbers are 6 and 20 respectively.

What are word problems?

A word problem is a few sentences describing a 'real-life' scenario where a problem needs to be solved by way of a mathematical calculation.

Given is that one number is 10 less than 5 times the second number. Their sum is 26.

Let the numbers be [x] and [y] repsectively. Then, we can write that -

x + y = 26        ..... Eq[1]

x = 5y - 10        ..... Eq[2]

We can write -

x + y = 26

5y - 10 + y = 26

6y = 36

y = 6

Then, we can write [x] as -

x = 5 x 6 - 10 = 30 - 10 = 20

x = 20

Therefore, the two numbers are 6 and 20 respectively.

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Solve for x: 5x+2(3x+7)=3(x-6)

Answers

Answer:x=-4

Step-by-step explanation:

whats the answer? :(

whats the answer? :(

Answers

Answer:

D) 8\(\frac{1}{2}\)

Step-by-step explanation:
5\(\frac{2}{3}\) ÷ \(\frac{2}{3}\) = 8\(\frac{1}{2}\)

For each image, determine if you have enough information to find the missing lengths. If so, find them. If not, explain why. 1. DE is parallel to AC. Find the lengths of DE || AC AC and AD. B 2 D t 5 E 6​

Answers

The length of AC is 12.5 and the length of AD is 3.

What are triangles?

A triangle is a three-sided polygon because it has three edges and three vertices. The most important attribute of a triangle is the sum of its internal angles to 180 degrees

Given triangle ABC,

and D is a point on AB and E is a point on AC,

and forms a triangle ADE,

and  DE is parallel to AC,

taking ΔABC and ΔBDE

∠B = ∠B  (common angle)

because DE is parallel to AC, so corresponding angles are equal,

so ∠A = ∠D

and ∠C = ∠E

ΔABC ≈ ΔBDE (triangles are similar)

since both triangles are similar the ratio of their corresponding sides is equal,

AB/BD = AC/DE = BC/BE

given BD = 2, BE = 4, DE = 5 and EC = 6

BC = EC + BE = 4 + 6

BC = 10

AC/DE = BC/BE

AC = 5(10/4)

AC = 12.5

and AB/BD = BC/BE

AB = 2(10/4)

AB = 5

AD = AB - BD

AD = 5 - 2

AD = 3

Hence AC = 12.5 and AD = 3.

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The figure is in image.

 For each image, determine if you have enough information to find the missing lengths. If so, find them.

The orbit of a planet around the sun is not circular; it is an ellipse with
the Sun at one focus. The aphelion of a planet is the greatest distance
from the sun and the perihelion is its shortest distance. The mean
distance of a planet from the sun is the length of the semimajor axis of
the elliptical orbit. The perihelion of Pluto is 4551 million miles, and the
distance from the center of its elliptical orbit to the sun is 897.5 million
miles. Find the aphelion of Pluto. What is the mean distance of Pluto
from the Sun? Write an equation to represent the orbit of Pluto around
the Sun.

Answers

The equation to represent the orbit of Pluto around the Sun will be x²/4659.42 + y²/4566.31 = 1.

How to compute the equation?

The distance from the center of the elliptical orbit to the sun is 897.5 million miles. The aphelion will be:

= 5448.5 + 897.5

= 6346 million miles

The equation of ellipse will be:

x²/a² + y²/b² = 1

x²/4659.42 + y²/4566.31 = 1

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Rosabell had 27 posters for the parade, she droppd 19 while marching in the parade. how many does she hav left.

Answers

11, rosabell had 11 posters for the parade

help please please....

help please please....

Answers

Answer:

Graph on a coordinate plane or explain how to graph: x  = 5

Step-by-step explanation:

The numbers of customers that visited a store each hour for several hours after the store opened at 8 am are shown in the table. Hours after 8 am 1 3 4 6 9 Number of Customers 2 15 18 13 0 Which statement best describes the data?

Answers

The statement which best describes the data given is C) The data can be modeled by a quadratic function.

Given a data,

The numbers of customers that visited a store each hour for several hours after the store opened at 8 am are shown in the table.

It is clear that the number of customers increases to 18 for the first 4 hours and then decreases to 0 after 9 hours.

So this data cannot be modeled by a linear function or an exponential function.

Also since the number of customers arriving is not constant, this cannot be expressed as constant function.

So it is quadratic function.

Hence the correct option is c.

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Gabi and Lauren picked apples on Saturday. Gabi’s bucket had 20 apples and Lauren’s basket had 1 2/5 times as many apples as Gabi. How many apples did Lauren have?

Answers

Answer:

28

Step-by-step explanation:

Answer:

28

Step-by-step explanation:

Gabi has 20

Lauren has 20 * 1 2/5

20*1 2/5 = 20*7/5 = 28

Order the numbers from least to greatest 0.607, 607, 6.07, 60.7

Answers

Answer:

0.607, 6.07, 60.7, 607

Step-by-step explanation:

Is (1, -1) a solution of y=3x-4?

Answers

Answer:

Yes because putting value of x and y as 1 and -1 in equation :

y=3x-4

-1 = 3 * 1 - 4

-1 = -1 (True)

(QUICK RESPONSE!)
Under a dilation of the point P(12, 10) is P (6,5).Choose the general rule that describes the dilation mapping point P to point pl.

Answers

f Step-by-step explanatin

so you add the thing and you add this thing

stu   pid     i d i o t

also this is another ​

also this is another

Answers

Answer:

21 yd^2 (you can remove the ^2 if you want)

Step-by-step explanation:

1/3 =0.33333333333 so 2.33333333333x9=21

Which of the following inequalities are correct?

Some of the numbers involved are shown on the number line below.

Which of the following inequalities are correct?Some of the numbers involved are shown on the number

Answers

The correct inequalities in this problem are given as follows:

A. 7.5 > 5.7.

B. 5.7 > -7.5.

C. -7.5 < -5.7.

What are the inequalities symbols?

The four inequalities symbols are given as follows:

>: greater than.>= : greater than or equal.<: less than.<: less than or equal.

In item a, the numbers 7.5 and 5.7 are compared, and in fact, 7.5 is greater than 5.7, hence the inequality is correct.

In item b, the numbers -7.5 and 5.7 are compared, and in fact, 5.7 is greater than -7.5, hence the inequality is correct. This is because a positive number is always greater than a negative numbers, as it is always positioned to the right on the number line.

For negative numbers, the lower absolute values mean that the number is greater, hence -7.5 is less than -5.7, that is, -5.7 is greater than -7.5, meaning that statement C is also correct.

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Solve.
4 There are 42 tubes of oil paint on trays. Each tray
holds 6 tubes. How many trays of tubes are there?
Show your work.
7

Answers

Answer: 7

Step-by-step explanation:

Since there are 42 tubes and each tray can hold 6 tubes, it will be 42/6 which is 7.

Every time that Amber goes running, she runs of a mile. If
Amber runs 4 times each week, how many miles does Amber
un in one week?

Answers

Ok, seriously, if you're in college and asking this you're seriously not smart.

Everytime Amber goes running she runs 1 mile.

She runs 4 times each week. How many miles does she run in one week.

Number of mile(s) ran in one session =  1 mile.

Number of running sessions in a single week = 4

Total distance covered = 1 x 4 = 4 miles.

EASY (25 POINTS)
Set up an equation

EASY (25 POINTS)Set up an equation

Answers

Answer:

D

Step-by-step explanation:

You want to make sure your coefficients in the first equation are 0.25 and 0.05 and add up to the total price. (3.65)

You want to make sure you have an equation that models the amount of coins, which was said to be 20 coins.

3.0 plzzzzzz help thank you

3.0 plzzzzzz help thank you

Answers

Answer:

80%

Step-by-step explanation:

100/5*4

this is due tomorrow pls help

this is due tomorrow pls help

Answers

simon needs less time because 1/3 is about %33 and 3/4 is about %75

Answer:

simon does not need more time than phil

The states C and D spend a total of ​$56.6 million for tourism. The state C spends ​$2.6 million more than the state D. Find the amount that each state spends on tourism.

Answers

Answer:

State C : $30.9 Million       State D : $25.7 Million

Step-by-step explanation:

It may help to just forget about the word "million" and focus on the decimal number part,so one you get the deciaml number you can just put the word million after it as your answer.

First do 56.6 divided by 2, which equals 28.3. Since it said that State C spends 2.6 million more, you hvae to add 28.3 and 2.6 together, which also equals 30.9. So now you know State C spends $30.9 million total. In order to find out how much money State D sends, you have to do 56.6 - 30.9,which comes up to 25.7. So finnaly you know that State C spends 30.9 million dollars and State D spends 25.7 million dollars.

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