Evaluate the Integral $\int _ { 7 } ^ { 6 } - 24 x d x$

Multiple Choice

Evaluate the integral. $\int _ { 7 } ^ { 6 } - 24 x d x$
given,
$\int _ { 6 } ^ { 7 } x ^ { 3 } d x = \frac { 1105 } { 4 } ,$
$\begin{array} { l } 7 x ^ { 2 } d x = \frac { 127 } { 3 } \\6 \\\int x d x = \frac { 13 } { 2 } \\6 \\7 \\\int d x = 1 \\6\end{array}$

A) $- 156$
B) 156
C) 1,016
D) 24
E) 6,630