als20845 als20845

18-08-2021
Mathematics

contestada

If f(x) =2x - 3, find the following

1. f(-2)
2. f(7)
3. f(-4)

Respuesta :

janehoang2012 janehoang2012

18-08-2021

Answer:

1. f(-2) = -7

2.f(7) = 11

3. f(-4) = -11

Step-by-step explanation:

1. substitute x = -2 in f(x)

The function becomes :

f(-2) = 2×(-2) - 3 = -7

2. substitute x = 7 in f(x)

the function becomes:

f(7)= 2×7 - 3 = 11

Answer Link

Otras preguntas

Which polygon is always regular? triangle rectangle octagon square

3x+1/5y=7 solve for y

Morton and Paul are members of different video game libraries. Morton pays a $90 membership fee and $4 for each video game he rents. The following function sh

a bookstore orders 200 books the books are packaged in boxes that hold 24 books each all the boxes of bookstores Reese's are full except one how many boxes does

some snake venoms are harmful because they contain enzymes that destroy blood cells or tissues. the damage cause by such a snakebite could best slowed by

-1/2x+3=-4x+7i dont understand how to solve this please explain and please dont give me the answer

Sammy's age is more than twice Ted's age. Sammy is 56 years old. How old is Ted?

Luis makes $23.10 at his job for the first 40 hours each week. If he works more than 40 hours, then he makes 1.5 his hourly wage. If Luis works 46 hours in a we

any cell can contain what which are specialized structures that carry out specific functions

Why does jillian take notes at basketball practice? a. she doesn't want the players to see how upset she is about not being able to play. b. she is bored beca