2. Find all relative maximum(s), relative minimum(s), point(s) of inflection, and interval on which the function is increasing for the function y = -x³ + 6x² + 15x-1. (a) Relative maximum(s): Write your answer in the form (x, y). (b) Reiative minimum(s): Write your answer in the form (x, y). (c) Point(s) of inflection: Write your answer in the form (x, y).

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