The function f(x) = −2x³ + 3x² + 36x has two critical points, c₁ and c₂. Find them and use the second derivative test to classify them. f(x) has a local at the smaller critical point c₁ since ‒‒‒‒‒‒‒‒ ‒‒‒‒‒ f(x) has a local ✓at the larger critical point c2 ‒‒‒‒‒‒ since

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