Calculus Examples

$y = - 4 x^{3} - 5 x^{2}$

Step 1

Graph the equation in order to determine the intervals over which it is increasing or decreasing.

Increasing on: $(- \frac{5}{6}, 0)$

Decreasing on: $(- \infty, - \frac{5}{6}), (0, \infty)$

Step 2