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16-12-2014
Mathematics

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find f(-x) when f(x)=x/x^2+2

Respuesta :

16-12-2014

f(x)=x/x^2+2

f(-x)=-x/-x^2+2
f(-x)=-x/-x*-x+2

f(-x)=1/-x+2

Answer Link

Аноним Аноним

16-12-2014

f(x)=x/x²+2

So... f(x)=1/x+2

Therefore:

f(-x)=1/(-x)+2=-1/x+2

Answer Link

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