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This document contains solutions to three math problems involving calculus concepts. Problem 1 involves finding the points of intersection and tangency between a curve and a line. Two methods are provided, both yielding the solutions m = ±2. Problem 2 finds the point of inflection and maximum of a curve. The point of inflection is (-0.803, -2.08) and the maximum occurs at the same x-value. Problem 3 examines the graph of a piecewise function. Part a derives the derivative and finds critical points. P

Author

武佳萱

Language

EN