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Mathematics, 13.01.2020 14:31 oliviakate9230

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if f(x) and f1 (x) are inverse functions of each other and f(x) =2x+5, what is f1 (8)?
a. -1
b. 3/2
c. 41/8
d. 23

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if f(x) and f1 (x) are inverse functions of each other and f(x) =2x+5, what is f1 (8)?...
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