Express the function h(a) in the form f(g(x)). If g() = x + 1, find the function f() for each of the following. 1 a) h(a) = - ( 2 + 1 ) 2 The outer function f(a) = b) h(a) = ex+1 The outer function f(x) = b) h() = In(x + 1) The outer function f(x) =