Calc III Question ?

Find the Domain D and the Range R for the function: f(x,y)=sqrt(x-y). D = R = positive real numbers All the real numbers D = {(x,y) Î R2 : x ³ y }, R = R+ D does not exist but the range is all the reals. D = {(x,y) Î R2 : x ³ y } = R

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student. It is offered as it is with no warranty of any kind
Last modified:Wed Mar 21 11:36:09 GMT-0500 (EST) 2001