(2 points) Evaluate the limits. 5x2 -6 x1 Enter DNE if the limit does not exist. a) lim f(x) = x--17 b) lim f(x) = x--1 c) lim f(x) = x - - d) f(-1) = e) lim f(x) = x-1 f) lim f(x) = x-1+ g) lim f(x) = x-1 h) f (1) =