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Calculus and Beyond Homework Help
Domain and range of multivariable functions
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[QUOTE="vela, post: 5050215, member: 221963"] I'm not sure if you were trying to specify a two-dimensional region here, but what you wrote corresponds to the union of two pieces of the number line. The way you analyzed it graphically is fine. The notation you would use to describe that region is what Zondrina wrote. In math, it's crucial to know the precise definition of various terms as well as what they intuitively mean. If you don't know what a term means, you should look it up — that's the least you can do. If you already did this, you should have said so. If you can't make complete sense of the definition after reading about it, at least you'll have some idea of what it means. You can then ask a specific question about what's confusing you. [/QUOTE]
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Domain and range of multivariable functions
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