arianapeg arianapeg

11-03-2020
Mathematics

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Find the inverse of the following equation with steps:

f(x) = (x-7)/x

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temitopefasola11 temitopefasola11

11-03-2020

Answer:

f(x) = (x - 7) / x

Replace x with y....where y is the inverse

f(x) = x

x = (y - 7) / y

xy = y - 7

xy - y = -7

y(x - 1) = -7

y = -7 / (x - 1)

inverse of f(x) = -7/(x - 1)

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