please quickly help with these 2 questions.

Question 3 Not yet answered Marked out of 1.00 \\7 Flag question The graph of the function f(x) =5 is stretched vertically by a factor of a and is translated 3 units to the right and 4 units down. If the graph of the transformed function passes through the point (8, '5), the value of a, to the nearest hundredth, is Answer: Question 6 Not yet answered Marked out of 1.00 F Flag question The graph of the function y =J7 is stretched horizontally by a factor of 2 and vertically by a factor of 3; it is then translated 4 units up and 6 units to the left. If the transformed function is 900, then to the nearest tenth, 9(18) =