Question: f ( x) = -x + 3x3 + 4x2 - 8 1. Find the critical points of the function f. 2. Apply the first derivative

f ( x) = -x + 3x3 + 4x2 - 8 1. Find the critical points of the function f. 2. Apply the first derivative test to determine whether each critical point is maximum or a minimum. 3. Apply the second derivative test to determine whether each critical point is maximum or a minimum. 4. Determine if these extrema are local or absolute and justify

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