Question

Given: f(x) = 3 - x; g(x) = -2x

Find f[g(2)].
-1
7
5

Answer 1

With this sort of question you do the inside function first
So start off by doing g(2)

Answer 2

What does this give you?

Answer 3

-4

Answer 4

Yep! then you put this result into the outside funtion i.e f(-4)

Answer 5

so the answer would be 7?

Answer 6

Perfect! :)

Answer 7

OK thank you.

Answer 8

yw