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Mathematics 8 Online
OpenStudy (anonymous):

If f(x) = 5x - 7, what is f ^-1(x)?

OpenStudy (anonymous):

Hero will win..

hero (hero):

Hints: 1. Set f(x) = y to get y = 5x - 7 2. Swap x and y to get: x = 5y - 7 3. Isolate y 4. replace the new y with f^-1(x)

OpenStudy (angela210793):

so..what i did is exchanged the places of x and y and solved for y |dw:1345139122226:dw|

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