Question

Let f(x) = 3x – 42 and g(x) = 5x.

What is (f * g)(x) ?

Answer 1

that is the same as f(g(x)) and you know how to do that, don't you?

Answer 2

no

Answer 3

put 5x in everywhere you see an x in f(x)

Answer 4

SO is the answer 15x-42?

Answer 5

that looks right to me

Answer 6

Thank you :D

Answer 7

@philips13 , I would say (f×g)(x) = [f(x)][g(x)]