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Consider f\ : R+vec[4,oo) given by f(x)=...

Consider `f\ : R_+vec[4,oo)` given by `f(x)=x^2+4` . Show that `f` is invertible with the inverse `f^(-1)` of `f` given by `f^(-1)(y)=sqrt(y-4),\ ` where `R_+` is the set of all non-negative real numbers.

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RD SHARMA ENGLISH-FUNCTION-All Questions
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  2. Consider f: R->Rgiven by f(x) = 4x + 3. Show that f is invertible. Fin...

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  3. Consider f\ : R+vec[4,oo) given by f(x)=x^2+4 . Show that f is inve...

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  13. If f: R->(0,\ 2) defined by f(x)=(e^x-e^(-x))/(e^x+e^(-x))+1 is invert...

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