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02-12-2016
Mathematics

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[tex]f (x) = 3x - 5 what is the inverse relation
[/tex]

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02-12-2016

replace f(x) with y
switch x and y
solve for y
replace y with f⁻¹(x)

f(x)=3x-5
y=3x-5
x=3y-5
x+5=3y
diide 3
[tex]y= \frac{x+5}{3} [/tex]
[tex]f^{-1}(x)= \frac{x+5}{3} [/tex]

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