Noahlsmith76
Noahlsmith76
15-03-2018
Mathematics
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What is the inverse of 2/(x+4)
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JDcap
JDcap
15-03-2018
[tex]y= \dfrac{2}{x+4} \\ \\ y(x+4)=2 \\ x+4= \frac{2}{y} \\ x= \dfrac{2}{y} -4\;\;\;\;\Rightarrow f^{-1}(x)= \dfrac{2}{x} -4[/tex]
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