Can you please do questions 47, 50, and 51

47-56. Derivatives of inverse functions at a point Consider the following functions. In each case, without finding the inverse, evaluate the derivative of the inverse at the given point. 47. f( x) = 3x + 4; (16, 4) 48. f(x) - -x +8; (10,4) 49. f(x) - In (5x + e); (1, 0) 50. f(x) - x2 + 1, for x 2 0; (5, 2) 51. f(x) = tan x; (1, 7/4)