Hello could you help me with this assignment I did not score so high the first time I tried and do not understand what I did wrong, I have watched some videos but still don't understand.

a) lim f(x) = -3 b) lim f(x) = 2 c) lim f(x) = 8 x - +0o x - -00 x -> -4 d) lim f(x) = 4 e) lim f(x) = -2 f) f(-1) = 0 x - - x ->-1+ g) lim f(x) = +00 h) lim f(x) = -co i) lim f(x) = 5 x - 3 - 3 x -9 j) lim f(x) = 1 k) f(9) = 5 x-9 4 2 -14 -12 -10 -8 -6 4 -2 4 6 8 10 12 14 -2 -6