Decide Whether the Integral Converges $\int _ { - \infty } ^ { \infty } 9 x e ^ { - 6 x ^ { 2 } } \mathrm {~d} x$

Multiple Choice

Decide whether the integral converges. If the integral converges, compute its value. $\int _ { - \infty } ^ { \infty } 9 x e ^ { - 6 x ^ { 2 } } \mathrm {~d} x$

A) 6
B) 9
C) 0
D) 18
E) diverges