Question 528004
{{{ f(x) = 7x + 8 }}}

{{{ y = 7x + 8 }}}

{{{ x = 7y + 8 }}}

{{{ x - 8 = 7y }}}

{{{ (x - 8)/7 = y }}}

{{{ y = (x - 8)/7 }}}

So the inverse function is *[Tex \LARGE f^{-1}(x) = \frac{x - 8}{7}]

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