Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] (Use non-identity functions for f(u) and g(x).) y = VX+4 (f(u), g(x) ) = Vu , x + 4 X Find the derivative dy dx dy = X dx 3.5x6 (x 7 + 4) (2)