3. Consider the following statement. 6. "Composition of functions is commutative." Is this statement always correct? 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 (gºf)(x). 5. Consider f(x) = 4x, g(x) = Vx2 - 1. and h(x) = V16x -1. Part A: Ish(x) equivalent to (fºg)(x) ? Justify your answer. Part B: Ish(x) equivalent to g composed with f of x Justify your answer​