f;R-R given by f(x)=x+sqrt x^2 is injective or surjective?

Question

Arun Kumar · Answer

f(x)=2x for x>0 f(x)=0 for x<0 seems like a surjective function

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f;R-R given by f(x)=x+sqrt x^2 is injective or surjective?

f;R-R given by f(x)=x+sqrt x^2 is injective or surjective?

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f;R-R given by f(x)=x+sqrt x^2 is injective or surjective?

f;R-R given by f(x)=x+sqrt x^2 is injective or surjective?

1 Answers

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