Mathematics High School

f(x) =2x+1 g(x)= x^2 -7 find (f+g)(x)

need help like asap​

Answers

Answer 1

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

Let's find (f + g)(x) :

[tex]2x + 1 + {x}^{2} - 7[/tex]

[tex] {x}^{2} + 2x - 6[/tex]
Answer 2

Answer:

[tex]f(x) = 2x + 1 \\ g(x) = {x}^{2} - 7 \\ (f + g)(x) = f(x) + g(x) \\ (f + g)(x) = (2x + 1) + ( {x}^{2} - 7) \\ (f + g)(x) = 2x + 1 + {x}^{2} - 7 \\ \boxed{ (f + g)(x) = {x}^{2} + 2x - 6}[/tex]

(f+g)(x) = x²+2x-6 is the right answer.

Related Questions

How did you get 99 after that

Answers

After what????

Step by step explanation:

the water level in a pool in terms of the number of hours elapsed, x, if the initial water level is 4 inches and the water level is rising at the rate of 1.5 inches every 15 minutes

Answers

Answer:

x=3.375

Step-by-step explanation:

4x+1.5=15

Every 7 days a plant grows 4 centimeters. Complete the table.
14 35 21 28

Answers

Answer:

28 days = 32cm

This is because the data shows that for every 7 days the plant grows 7cm

P-6+2<-5 solve each inequality and graph its solution, i am lost

Answers

Answer:

P < -1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

[tex]P - 6 + 2 < -5[/tex] [tex]P - 4 < -5[/tex]

Step 2: Add 4 to both sides.

[tex]P - 4 + 4 < -5 + 4[/tex] [tex]P < -1[/tex]

Therefore, the answer is P < -1! (Also, the graphed solution is below.)

A car is traveling at a steady speed. It travels 1 ¾ miles in 2 ⅓ minutes. How far will it travel in 41 minutes? In 1 hour?

Answers

Answer:

What can I do for you?

Step-by-step explanation:

In-depth explanation please! Am I supposed to just add two lines?

Lesson 3-6. Construct a rectangle with sides b and a.

Answers

I would answer this question as:
You can maybe duplicate both lines "A&B" to make the shape of a rectangle. So basically just draw the lines "A&B" vertically next to the horizontal examples provided to make the shape.
Hope this helped :)

the difference of (1/2h+7)-(3/2h+9)​

Answers

Answer:

1h+2

Step-by-step explanation:

(1/2)-(3/2)=-(2/2)=-1

7-9=-2

-1h-2

1h+2

Answer:

1h+2.

Step-by-step explanation:

add up the stuffff$fffffffffff

help with the top one ?

Answers

30 pages

We know that there are 60 minutes in an
hour, and that 3 goes into 60 20 times
(3/60 = 20). Multiply 1 1/2 x 20, and that
equals 30 pages.
You can also set it up in fraction form
multiply 1.5/3 times x/60. cross multiply and
solve for x. in this case x = 30.

The left and right page numbers of an open book are two consecutive integers whose sum is 23. Find these page number.

Answers

Answers: The page numbers are 11 and 12

==========================================================

Explanation:

Consecutive integers are ones that follow immediately after another. For example, the set {7,8,9,10} are consecutive.

Let,

x = first page, some positive whole numberx+1 = second page, follows immediately after page x

Adding those two said pages will lead to 23

first + second = 23

(x) + (x+1) = 23

2x+1 = 23

2x = 23-1

2x = 22

x = 22/2

x = 11 is the first page

x+1 = 11+1 = 12 is the second page

Check: 11+12 = 23 which confirms the answers.

Please solve for 1,2 and 3

Answers

Answer:

1. 750/100

h=7.5 in

there are 25 students in class 2-11 and 20% wear glasses. How many wear glasses?

Answers

Answer:

Five students wear glasses.

Step-by-step explanation:

20 percent of 25 is 5

We are given that 25 students in the class and 20% wear glasses.

Take 20% of 25 to calculate how many students wear glasses.

[tex]25 \times 20 \%=25 \times 0.20[/tex]

[tex]= 5[/tex]

5 students in class 2-11 wear glasses. Let me know if you have any questions, thanks!

HELP DUE IN 10 MINUTES!!!!!

Two step equations word problems

Tim answered all the questions on his math test but got 10 answers wrong. He received 4 points for every correct answer, and there was no penalty for wrong answers. His score was 76 points.

1. Write an equation to determine the total number of questions (q) on Tim's math test.

2. Find the total number of questions on his math test.

Answers

Let the number of accurate answers provided by Tom equal x.

The number of incorrect responses is ten.

Tim receives 4 marks for each right answer.

Marks deducted for wrong answers = 0.

Total Points = 76

When all of the above statements are combined, the equation

76 = 4 x + 10 * 0

4 x = Equals 76.

19 = x

The number of correct answers is 19

The number of incorrect responses equals ten.

Total number of questions = 19 + 10 = 29

Find three consecutive positive integers such that the product of the second integer and the third integer is 20.

Answers

3, 4, 5.

The product of the second integer 4, and the third integer 5, is equal to 20.

The questions asks for three consecutive positive integers. Therefore the first integer of the sequence is 3.

Pls help !!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

The slope is 2.

Step-by-step explanation:

You can see on the intercepts that it goes rise 2 and run over 1 which would basically equal to 2.

Step-by-step explanation:

I don't know if it help but here.It's the one that says slope of a line.

PLEASE HELP 25 points!! Algebra 1

Answers

Answer:

A

Step-by-step explanation:

twice of the second angle

2b

15 less than it

2b - 15

that is the first angle

2b - 15 = a

:)

What is the result of gaining 10 pound then losing 20

Answers

Answer:

-10 pounds or 10 pounds loss

Step-by-step explanation:

you subreact 10-20 and you get -10

Please help me solve this please

Answers

Simplify 2^2 to 4
Then simplify 4-1 to 3
Then simplify 15 divided by 3 to 5
The simplify 12 divided by 4 to 3
Then simplify to 2

15➗(4-1)-12➗4
15➗3-12➗4
5-12➗4
5-3
2

-5-3(6x-8)= -5x + 19

Answers

Answer:
x=0
Explication:
Just trust me

If mZx = 126° Calculate mZy

Answers

< x has the same measure as the supplement of < y because they are Alternate interior angles.

Since m < x = 126°, then the supplement of < y must also be m < 126°.

To solve for y:
m < y = 180° - 126°
m < y = 54°

Therefore, the < y has a measurement of 54°

Please mark my answers as the Brainliest if you find this explanation helpful :)

Pls help I don’t know the answer

Answers

Answer:21√10

Step-by-step explanation:

1. Evaluate 3•7 - 1.
о o
20
21
18
-5

Answers

7 x 3 = 21
21 - 1 = 20

Una tienda tiene el 30% de descuento en calzado. Si unos zapatos que cuestan $26.000. ¿Cuánto se deberá pagar por los zapatos luego de realizarle el descuento?

Lo siento no entiendooo .·´¯`(>▂<)´¯`·.

Answers

Answer:

$18.2

Step-by-step explanation:

26.000-30%=18.2

Espero que te ayude :) Me puedes poner como brailiest porfavor?

PLEASE EXPLAIN YOUR REASONING!!

If a loan is $2,000.00 at 12 percent annual interest and the loan was made on June 15 and due on December 15, what is the ordinary interest?

A. $72.00
B. $24.00
C. $120.00
D. $240.00​

Answers

Answer:

$120.00

Step-by-step explanation:

2000/100 = $20 = 1%

20x12 = $240 = annual intrest = 12m

June 15 - December 15 = 6m

240/2 = $120 for half a year intrest!

Answer:

$120.00

Step-by-step explanation:

4x-y=20 find the X and Y intercepts from the equation

Answers

Answer:

its c

Step-by-step explanation:

i took it

Kylee is making a cake. The box says for every 1/4 cup of water she needs to use 2/4 of the cake mixture. She uses 3 1/4 cups of water. How much cake mixture does she use? (show your answer as a decimal and as a fraction.)​

Answers

Answer:

Kylee makes 6 1/2, or 6.5 cups of the cake mixture.

Step-by-step explanation:

She uses double the cake mixture as water. She uses 3 1/4 cups of water, or 13/4 as an improper fraction, so she uses double that of cake mixture, which is 6 1/2, or 26/4 cups of cake mixture.

As a decimal that is 6.5.

Find the measure of each angle indicated.

A D
A) 21°
C) 23°
E 25°
B) 80°
D) 20°

Answers

Let the missing Angle be " x "

We know that Measure of an exterior angle of a triangle is equal to sum of the opposite two interior angles,

that is :

x + 80° = 100°

x = 100° - 80°

x = 20°

value of missing angle = 20°

If R is the midpoint of QS, QR = 6x – 51 and RS = 2x – 7, find QS.

Answers

Answer:

QS = 30

Step-by-step explanation:

Since R is the mid point QR = RS

Given QR = 6x – 51 and RS = 2x – 7 then

6x – 51 =  2x – 7, isolate like terms

  6x -2x = 51 -7 , combine like terms

        4x = 44, divide both sides by 4

         x = 11

QS = QR + RS

QS = 6x -51 +2x -7 , combine like terms

QS = 8x - 58, substitute x= 11 in the equation

QS = 8*11 -58, multiply 8 and 11

QS = 88 -58

QS = 30

if it takes 40 gallons of gas to drive 750 miles, then how many gallons are needed to drive 300 miles?

Answers

1 gallon equals 18.75 mild substitute

4x/5 = x+3/6
what is the value of x?
also the x is x+3 as the numerator together​
it's literally like 5 am and ive been up since 3 am
help??

Answers

Answer:

x=15/19

Step-by-step explanation:

You have to start by multiplying the denominators by the numerators. I doesn't matter which you do first, as you can see, I chose to multiply the 6 by the 4x first.

Once that is completed, it is a simple matter of rearranging the equation so it begins with x=...

To do this, just subtract 5x and then divide by 19 on both sides to get the final fraction.

I have attached a photograph of my workings.

Question is down below

Answers

Answer:

Step-by-step explanation:

2+6=8

8x divide by 5=1.6x

4x-3=1x

1.6x=1x

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