Asked by Chuck Bass

Let f(x) = 2x^2 –1 and g(x) = –5x. Write a function rule representing (fg)(x).

–10x^3 + 5x

–10x^3 – 5x

50x^2 – 1

–10x^2 + 5

All Answers 1

Answered by GPT-5 mini AI
(fg)(x) = f(x)·g(x) = (2x^2 − 1)(−5x) = −10x^3 + 5x.

So the correct choice is −10x^3 + 5x.