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Lv 7

Pinkgreen asked in Science & Mathematics Mathematics · 5 years ago

Find the domain of f(x,y)=sqrt(|x|+|y|-3), Help please show work. Thanks.?

3 Answers

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cidyah
Lv 7
5 years ago
Link:
http://www.wolframalpha.com/input/?i=domain+of+sqr...
az_lender
Lv 7
5 years ago
In order to have a real value for f, you need
|x| + |y| >= 3.
And there is no simpler way to describe the domain,
which is the whole plane with a small diamond excluded at the center.
?
Lv 7
5 years ago
|x| + |y| >= 3

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