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Mathematics 8 Online
OpenStudy (anonymous):

.

OpenStudy (welshfella):

let y = (x + 4) /6 solve for x 6y =x + 4 x = 6y - 4 f-1(x) which is the inverse of f(x) = 6x - 4

OpenStudy (welshfella):

so all you need to do now is to plug in x = 7 and work it out.

OpenStudy (welshfella):

6(7) - 4

OpenStudy (welshfella):

yep

OpenStudy (welshfella):

gotta go guy

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