Question 9. Using the definition of derivative, find the instantaneous rate of change for the following functions when a = 2. Also, give the tangent line. (a) f(x) = -2x +15 (b) g(2) = 3x2 +4x - 1 Question 10. Using the definition of derivative, find the instantaneous rate of change functions for the following. (a) f(x) = -2x+ 15 (b) g(2) = 3x2 + 4x - 1Question 11. Find the following derivatives (a) f(2) = 5x15+3x-2/5 +120-1 + Vx - 8 (e ) [d 100t + 360] t ( b) y = (5m + 2) (7m - 3) (f) y = 726+3x + e + In(3) - 1085(7 2 -12) (c) Dx VO.002arc3 - 4x - 12.1 (g) P(s) = 0.00050.03 - 1.5s + 2.3 (d) g(ac) =- 5 - ex 2 4x3 - 1 (h) f(20) =- 3/3ac2 - x + 4In(x) Question 12. Find the derivative of f (s) = (8s10 - In(s-2) ) (3-25+5 - 62 ) ] Question 13. Find the derivative of h(x) = (7 -8x3)4 . Simplify