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\(\text{}\)\(\text{Let $f$ be the function defined by $f(x) = -2 \sin(\pi x)$. How many values of $x$ such that $-2 \le x \le 2$ satisfy the equation $f(f(f(x))) = f(x)$? }\)

 Aug 14, 2019
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The number of solutions to f(f(f(x))) = f(x) is 4.

 Nov 27, 2019

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