Let h(x) = f (g(x)). The values of f and g and their derivatives are listed in the following table, find d/d h (4).
f(2) = 1 d/d f(2) = 5
f(4) = 3 d/d f(4) = 7
g(3) = 4 d/d g(3) = 8
g (4) = 2 d/d g(4) = 6