Question

Given f(x)=4x2−5 and g(x)=x+3 .

What is (fg)(x) ?




−4x2+x+8

4x3−15

4x3+12x2−5x−15

4x2−x−8

Answer 1

4x^3+12x^2−5x−15 is the answer

I just took the test :)