5. (4 MARKS) At what point on the curve y = f () = e" is the tangent line parallel to the line 2y = 8: - 5. (a) (In 2, 2) (b) (In v/2, 2) (c) (In v/2, v2) (d) (2, e ) (e) None of these b C d e 6. (4 MARKS) Find the derivative of f(x) = sin* 4x (a) 4cos'4r (b) 3 sin' Arcos4r (c) cos' 4r (d) 12 sin' Arcos4r (e) None of these