Compute (h'(1)) for (h(x)=f(g(x))), where (f(1)=3), (g(1)=2), (f'(1)=4), (g'(1)=-2), (f'(2)=-4), (g'(2)=-3).
a) (-12)
b) (-9)
c) (-6)
d) (-3)