### Home > APCALC > Chapter 3 > Lesson 3.3.3 > Problem3-118

3-118.

Multiple Choice: If $f^\prime (x) = 6x^2 − 4$, then which of the following could be $f$?

1. $f(x) = 2x^3 − 4x + 1$

1. $f(x) = 2x^3 − 4x − 4$

1. $f(x) = 2x^3 − 4x + 4$

1. $f(x) = 2x(x^2 − 2)$

1. all of these

Work backwards. Find the derivative of each distractor.