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MATH / If f(x) = begincases 2x-5 &quad textif x ge 3, -x + 5 &quad textif x < 3, endcases then for how many values of x is f(f(x))=3? · Discussion

Discussing If f(x) = begin{cases} 2x-5 &quad text{if } x ge 3, -x + 5 &quad text{if } x < 3, end{cases} then for how many values of x is f(f(x))=3? · MATH

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