hi everyone!

i need your opinion on how to find range of function.

eg: f(x,y)=x^{2}+y^{2}-1

(Happy)thanks for all your responses!

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- Oct 15th 2012, 01:48 PMnursyafikasteps to find the range of function with two variables
hi everyone!

i need your opinion on how to find range of function.

eg: f(x,y)=x^{2}+y^{2}-1

(Happy)thanks for all your responses! - Oct 15th 2012, 02:04 PMTheEmptySetRe: steps to find the range of function with two variables