01-02-2018
Mathematics

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If f(x)= —5x — 11, then f-1(x)=

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02-02-2018

f(x)=-5x-11
y=-5x-11
x=-5y-11
x+11=-5y
[tex] \frac{x+11}{-5}=y [/tex]
[tex]f^-1= \frac{x+11}{-5} [/tex]

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