Find the Second Derivative $$y = 4 x ^ { 2 } + 9 x + 5 x ^ { - 3 }$$

Multiple Choice

Find the second derivative.
- $$y = 4 x ^ { 2 } + 9 x + 5 x ^ { - 3 }$$

A) $8 + 60 x ^ { - 1 }$
B) $8 + 60 x ^ { - 5 }$
C) $8 x + 9 - 15 x ^ { - 4 }$
D) $8 - 60 x ^ { - 5 }$