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Curve Sketching Course Packet on critical points Consider the function f(x) - 7x + CO X + 4. 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 po 6. [-/1 Points] DETAILS MY NOT Math 110 Course Resources - Curve Sketching Course Packet on critical points Consider the function f(x) = 8x3 + 36x2+ 30x - 6. 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 p OCT 4 itv 4