answer for me please

In Exercises 41 through 46, find the rate of change of the given function fix) with respect to x for the prescribed value x = c. 41. ((x) = 2 + 3r + 1:x =-1 42. fur) - x - 3x + 5; 1 - 2 43. (() = x - Vx + 51 =1 44. fu) = VI + 51.1 = 4 45. for) = 4+ V VX 46, /L) = - IVEI = 1