Question

What is the value of g(f(x)) f(x)=2x^2+3 g(x)=x-4

Answer 1

2x^2 -1

Explanation:

f(x)=2x^2+3

g(x)=x-4

g(f(x))

Replace x in g(x) with the function f(x)

g(f(x)) = 2x^2+3 -4

Combine like terms

=2x^2 -1