answer and explain

Limits 50. Let f(x) = - L.x - 3) . Find 1 - x ifx so (A) lim f(x) (B) lim_f(x) 43. Let f(x) = 1 2 if x > o' Find (C) lim f(x) (D) 0' . Find (C) lim f(x) (A) lim f(x) (B) lim f(x) 52. Let f(x) = x+ 3 -. Find (C) lim f(x) (D) (0) x2 + 3x (A) lim f(x) (B) lim f(x) 45. Let f(x) = x ifx 1' . Find (C) lim f(x) (A) lim f(x) (B) lim_f(x) 53. Let f(x) = x2 - x - 6 Find x+2 (C) lim f(x) (D) (1) -1 (A) lim f(x) (B) lim f(x) *-+0' x+ 3 if x -2 Find x-+3 x + x - 6 (A) lim f(x) (B) lim f(x) 54. Let f(x) = = . Find x+ 3 (C) lim f(x) (D) f (-2) (A) lim f(x) (B) lim f(x) x2 - 9 (C) lim f(x) * + 3 if x 0 (A) lim f(x) (B) lim f(x) *-+0 (A) lim f(x) (B) lim f(x) (C) lim f(x) x-+2 (C) lim f(x) x-+3 56. Let f(x) = x2 - (x + 1)2 12. Find * + 3 if x 0 x-1 (A) lim f(x) (B) lim f(x) $7. Let f(x) = 2x - 3x - 2 Find x' + x - 6 (C) lim f(x) (A) lim f(x) (B) lim f(x) (C) lim f(x) 49. Let f(x) = * - 1 Find 58. Let f(x) - 3x + 2x - 1 . Find (A) lim f(x) (B) lim_f(x) x2 + 3x + 2 (C) lim f(x) (D) (1) (A) lim f(x) (B) lim f(x) x-+1 (C) lim f(x) x-+2