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Mathematics, 25.10.2020 06:30 asmith219771

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

1. -1
2. 3/2
3. 41/8
4. 23

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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)?? NEED ASAP

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