Question: Consider the function f(x) = ax 2 + bx + c, with a 0. Explain geometrically why f has exactly one absolute extreme value

Consider the function f(x) = ax² + bx + c, with a ≠ 0. Explain geometrically why f has exactly one absolute extreme value on (-∞, ∞). Find the critical point to determine the value of x at which f has an extreme value.

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