: (a) For f(x): = (b) For g(x) = - (c) For h(x): -6 9-x For each of the following, calculate each of the indicated limits. calculate lim f(x), lim f(x) and lim f(x). x 6 calculate lim g(x), lim g(x) and lim g(x). x--7- x→-7+ x-7 calculate lim h(x), lim h(x), lim h(x), lim, lim and lim h(x). lim x→0+ x→0 5+ -9-4x 5x x (x + 7) (x - 12)' x + 8 x² (5 - 2x)³¹ -0-x +9-←x