(a) Consider the function f(x) = (2x - 5)(6x + 9). Enter the number of critical pointsumbers of f(x). Determine the x-coordinates of the critical points. Enter your answer as a comma-separated list of values. critical points. (1/2, - 48) X (b) Consider the function g(x) = 2x - 5 6x + 9 Enter the number of critical pointsumbers of g(x). Determine the x-coordinates of the critical points. Enter your answer as a comma-separated list of values. T critical points