3. Consider the following statement Composition of functions is commutative." is this statement always correcte if so, provide an example, if not provide a counterexample: 4. Consider f(x) = x + 7 and g(x) = x2 - 1. Part A: Find (fºg)(x). Part B: Find (g(x). 5. Consider f(x) = 4x, g(x) = x2 - 1. and h(x) = V16x - 1. Part A: Ish(x) equivalent to (fºg)(x)? Justify your answer. Part B: Is h(x) equivalent to g composed with f of x? Justify your answer.​