state the inverse of x given f(x)=x-5/x+4
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2 Answers

?????????????????? "invers av x" ????????????

yu want y???????????????


y=(x^2 +4x-5)/x

quadratik equashun giv y=(x-1)*(x+5)



Interchange y to x and x to y



Hence f'(x)=1/2(±√(x^2-8x+36)+x-4)

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