Question

Given that f(x) = 2x + 1 and g(x) = −5x + 2, solve for f(g(x)) when x = 3.

Answer 1

Well first you have to set g(x) as the x in f(x)

Answer 2

so f(x) = 2(-5x+2)+1

Answer 3

Now expand the brackets and replace x with 3, and you will get your answer

Answer 4

Thank you! :)

Answer 5

No probs :D