Solve the Inequality, and Graph the Solution Set $2 x^{2}+3 x-20 \leq 0$

Multiple Choice

Solve the inequality, and graph the solution set.
- $2 x^{2}+3 x-20 \leq 0$

A) $[-4, \infty)$

B) $(-\infty,-4] \cup\left[\frac{5}{2}, \infty\right]$

C) $\left[-\infty, \frac{5}{2}\right]$

D) $\left[-4, \frac{5}{2}\right]$