Consider the rational function defined by Q(x) = 3a +6x-72 a) Use a calculator to find Q(3.9). Round the answer to 5 decimal places. b) Find Q(3.99). Round the answer to 5 decimal places. c) Find Q(3.999). Round the answer to 5 decimal places. d) Find Q(4.1). Round the answer to 5 decimal places. e) Find Q(4.01). Round the answer to 5 decimal places. f) Find Q(4.001). Round the answer to 5 decimal places g) Find the limit of Q(x) as x approaches 4. Give the exact numeral answer or type DNE if the limit does not exist