### Home > CALC > Chapter 3 > Lesson 3.4.3 > Problem3-180

3-180.

Let $f$ be the function given by $f(x) = x^3-3x^2-24x + k$ where $k$ is a constant. On what intervals is $f$ increasing?

$f(x)$ increases when $f^\prime(x) > 0$.

Refer to the hints in problem 3-149 for more guidance.