Just for number 48

43-48 Each limit represents the derivative of some function f at some number a. State such an f and a in each case. 9+h - 3 -2th _ 0-2 43. lim 44. lim h-0 h h-0 h - 4 ro - 64 X 45. lim 46. lim I- x-2 x -2 x-1/4 X - TT tan + h - 1 4 sin 0 - 47. lim 48. lim h-0 h 0 - 1/6 TT