For the function $f ( x ) = ( x + 2 ) \left( 2 x ^ { 2 } - x - 2 \right)$, what is the value of $f ^ { \prime } ( 1 )$? [3 points] (1) 6 (2) 7 (3) 8 (4) 9 (5) 10
For the function $f ( x ) = ( x + 2 ) \left( 2 x ^ { 2 } - x - 2 \right)$, what is the value of $f ^ { \prime } ( 1 )$? [3 points]\\
(1) 6\\
(2) 7\\
(3) 8\\
(4) 9\\
(5) 10