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seto6

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## Homework Statement

Find the domain and the range

f(x,y)=2x

^{2}+3x

^{2}+1

## Homework Equations

non

## The Attempt at a Solution

...

i said that x,y are all real #'s

and f(x,y)>=1 or z>=1

is there anything wrong with what i has attempted at?

if do could you explain...

thanks in advance

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