Question

What is the value of f(x) when x=-3?

f(x)=-2x-3

f(-3)=___

Answer 1

f(-3) is simply x = -3.

Knowing this, we can plug in -3 with the equation f(-3) = -2(-3) -3

Answer 2

So f(-3) = ?

Answer 3

-4..? right? /.\

Answer 4

Not quite. Let's focus on -2(-3). When we have a equation like this, we have to multiply -2 and -3.

So what is -2 x -3 =?

Answer 5

6

Answer 6

Perfect!

Answer 7

ohhhh i see now. im so dumb hahaha

Answer 8

No your not :) you are doing good. Breaking the problem down always helps me!

So the answer is f(-3) = 3!

Answer 9

i have another question, but i have to put a picture bc i cant type some of the characters