Question

URGENT ALGEBRA| Find g(f(x))

Let f(x) = 2x and g(x) = (x−3)²
4x²−12x+9
4x²−9
4x+9
4x²+10x−9

Answer 1

4x^2-12x+9

Explanation:

since f(x)=2x we have to find g(2x)

g(2x)=(2x-3)^2

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

g(2x)= 4x^2-6x-6x+9

g(2x)= 4x^2-12x+9

hopes this helps