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Mathematics, 01.09.2020 08:01 tdluong157

If f(x) and f-1(x) are inverse functions of each other and f(x) = 2x + 5, what is f-1(8)?

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If f(x) and f-1(x) are inverse functions of each other and f(x) = 2x + 5, what is f-1(8)?...
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