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4) Evaluate the following equations: a) lim cos(@) b) lim coS(@) c) lim COS(:3 x-1 74-1 5) Evaluate the following equations: a) lim x-+3x+3 b) lim x-+3x+3 x+7 c) lim X-1 x-2 x-2 x-2 r-0 x2+9x+14 6) For f(x) = x2 - x -6 and g(x) = x2 -2x -3, evaluate the following limits: a)lim {f(x) + g(x)} b) lim {f(x)g(x)} c) lim {f(x)/g(x)} x-1 x-1 x-1