helpplease3052 helpplease3052
  • 24-08-2018
  • Mathematics
contestada

what is the inverse of the equation
[tex]y = 3x - 2[/tex]

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jdoe0001 jdoe0001
  • 24-08-2018

to get the inverse of any expression, we start off by doing a quick switch of the variables, then we solve for y, so


[tex] \bf y=3x-2\implies \stackrel{\textit{quick switcheroo}}{\underline{x}=3\underline{y}-2}\implies x+2=3y\implies \cfrac{x+2}{3}=\stackrel{f^{-1}(x)}{y} [/tex]

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