What is the domain and range of $x=y^2$ ?

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Answer 1 · 2017-09-16T11:21:29

Domain: $x>=0 or [0,oo)$ . Range : $y in RR or (-oo,oo)$

$y^2= x or y = +- sqrt x$ , Domain: under root should be $>=0$

Domain (Input) : Any real value of $x>=0 or [0,oo)$

Range (output) : Any real value , $y in RR or (-oo,oo)$

graph{x=y^2 [-12.66, 12.65, -6.33, 6.33]} [Ans]

What is the domain and range of x=y^2x=y^2?