Rolle Theorem: A special case of MVT: if f is continuous on [a, b], differentiable on (a, b), and f(a) = f(b), then there exists c in (a, b) with f prime(c) = 0.
How to apply it: Use Rolle Theorem when the function has equal values at the endpoints to guarantee a horizontal tangent between them.
Course: AP Calculus AB · Unit: Analytical Applications of Differentiation
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