10-09-2018
Mathematics

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The function f(x)=5x+4 is one to one
Find an equation for f^-1 (x). the inverse function.
f^-1 (x)=

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10-09-2018

[tex]f(x)=5x+4\\\\ y=5x+4\\ 5x=y-4\\ x=\dfrac{y-4}{5}\\\\ f^{-1}(x)=\dfrac{x-4}{5}\\\\[/tex]

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