Composition Function! Calculus

Question

Let h(x) = (fog)(2x). Find h `(2)

f `(2)=3

f(2)=4

f(4)=-1

f ` (4)= -4

g(4)=2

g ` (4)=1

g(2)= -2

g `(2)=5

Answer 1

If h(x) = (fog)(2x), then h'(x) = f'(g(2x)) * g'(2x) * 2.

So h'(2) = f'(g(4)) * g'(4) * 2 = ...