If 88 + 8f(x) + 9x?(f(x)) = 0 and f(1) = -2, find f' (1). f'(1) =Consider the function r(x) = f(g(h(x))). Given that h'(1) = 3, h(1) = 4, g(4) =7 g(4) =6 and f'(6) = 2, Find the value of r'(1) or enter NA if there is not enough information to compute this derivative. r' (1) =