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anonymous one year ago inverse of the function f(x)=3x+9? would this be : f(x)=x-9/3 ?

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1. jim_thompson5910

do you mean $\Large x - \frac{9}{3}$ OR $\Large \frac{x-9}{3}$ ??

2. anonymous

the second one

3. jim_thompson5910

you have the correct inverse function, you would write it like this $\Large f^{-1}(x) = \frac{x-9}{3}$

4. anonymous

thank you

5. jim_thompson5910

you're welcome

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