3 4. The functions fand g are given by f(x) = Joxv4 + 12 d: and g(x) = f(sin x). (a) Find f'(x) and g'(x). (b) Write an equation for the line tangent to the graph of y = g(x) at x = Jr. (0) Write, but do not evaluate, an integral expression that represents the maximum value of g on the interval 0 S x S 21:. Justify your