Approximate the Integral by the Trapezoidal Rule $\int _ { 0 } ^ { 1 } x ^ { 3 } e ^ { x }$

Multiple Choice

Approximate the integral by the trapezoidal rule.
- $\int _ { 0 } ^ { 1 } x ^ { 3 } e ^ { x }$ dx; n = 4 Express your answer to four decimal places.

A) 1.2392
B) 0.6196
C) 4.9568
D) 0.9593