15. [-/1 Points] DETAILS Math 110 Course Resources - Curve Sketching Course Packet on critical points Consider the function ((x) = 5x + + 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 critical points. 16. [-/1 Points] DETAILS MY NOTES Math 110 Course Resources - Curve Sketching Course Packet on critical points Consider the function f(x) = 16x3 - 60x2 + 75x - 3. 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 ((x) does not have any critical points. MY NOTES 17. [1/1 Points] DETAILS PREVIOUS ANSWERS