Question

f(x)=4x-7
a.f(3) b.f(-5)

Answer 1

What are we trying to do with it? Graph it?

Answer 2

no solve it with this (a).f(3) b.f(-5)

Answer 3

Ok
a. We have to plug in 3 for x
So it becomes
f(3)=4(3)-7
f(3)=12-7
f(3)=5

Answer 4

Can you solve the second one and I will see if you understood it.

Answer 5

-27

Answer 6

Tell me what you got and then if you got it wrong I will explain it to you. Open Study is not for just getting the answers without understanding it.

Answer 7

Exactly -27 is correct

Answer 8

are they both right .i though there coudnt be 2 answers