100saidmohamed 100saidmohamed

07-08-2018
Mathematics

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For which function is f(x) equal to f-1(x)?

A.F(x)=x+6/x-6
B.F(x)=x+2/x-2
C.F(x)=x+1/x-1
D.F(x)=x+5/x-5

Respuesta :

talkwithoutlimits talkwithoutlimits

07-08-2018

A reflection in the x-axis means the y-coordinate will be negated (the opposite sign). This means that g(x)=-f(x)=-(x^2+5=-x^2-5.

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