Let Y = 6(1 - $e ^ { - 3 x }$

Multiple Choice

Let y = 6(1 - $e ^ { - 3 x }$ ) . What is 3(6 - y) ?

A) 12 - 6 $e ^ { - 3 x }$
B) 18 $e ^ { - 3 x }$
C) 6 - 6 $e ^ { - 3 x }$
D) 3 $e ^ { - 3 x }$
E) none of these