2. Evaluate the limit if it exists: [3K] a) lim X b) lim 2xz-3x+4 x-5 v2x-1 X-0 1(x-2) c) lim X-+00 1-3x2 X+2 3. Given: lim f (x) = 2 and lim g(x) = -4 Use the limit laws to determine the following: [4 AC] a) lim[g(x) - f(x)] b) lim42 x-2 9(x) *-2' c) lim[1 - f(x) + g(x)]2