$$\text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. }$$

Multiple Choice

$$\text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. }$$
-Assume that f'(3) = 8 , g'(4) = -5, g(4) = 3, and y = f(x) . What is y' at x = 4?

A) 8
B) -10
C) 24
D) -40