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[-/1 Points] DETAILS MY NOTES Math 110 Course Resources - Curve Sketching Course Packet on critical points (a) Consider the function f(x) - (2x - 3)(3x + 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. The order of the values does not matter. Enter DNE if f(x) does not have any critica points. (b) Consider the function g(x) = 2x - 3 3x + 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. The order of the values does not matter. Enter DNE if g(x) does not have any critic points