I. Evaluate the following limits: (Item no. 1-2: 5 points each; item no. 3: 9 points) 5 1. lim x2-4x-5\\ x-5+ X 2. lim G(x) if G(x) = x+6 x3-1 5x2-x-4' if xs-1 3. Let f (x) = 3 4x2 +3x -2, if - 1 2 Find: a) lim f(x) b) lim f (x) c) lim f (x) X--1 x+0