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11-04-2019
Mathematics

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What is the inverse of the fraction f(x)= 1/9x+2

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chrissygizzi010 chrissygizzi010

11-04-2019

Answer:

f(x)^-1 = 9x-18

Step-by-step explanation:

f(x) = 1/9x+2

-2 from both sides

f(x)-2 = 1/9x

*2 to both sides

9(f(x)-2) = x

replace 'f(x)' with 'x'

9(x-2) = f(x^-1)

simplify and reverse sides

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