Question

If f(x) = x2 and g(x)= 3x + 1, which expression represents g(f(x))?

Answer 1

g(f(x)) =3(x2)+1

Explanation:

g(f(x)) means substitute f(x) in the eqn g(x)

That is anywhere you see x2, use it to replace x in the eqn g(x)