Question

Let f(x) = -3x + 2 and g(x) = 2x – 5;
compute g(f(x))

Answer 1

g(f(x)) = -6x+6.

Explanation:

It is given that,

f(x) = -3x + 2 and g(x) = 2x – 5

We need to find g(f(x)).

Put it into g(x).

g(f(x)) = 2(-3x + 2)+2

= -6x+4+2

=-6x+6

Hence, the value of g(f(x)) is -6x+6.