Question

F(x) = -4x and g(x) = 5x-13, find f(g(x))

Answer 1

-20x +52

Explanation:

To solve this, we put the function g(x) into the function f(x) in the place of x

Put 5x-3 in for x in -4x

f(g(x)) = -4 (5x-13)

= -4*5x -4(-13)

= -20x +52