# What is the domain and range of #y=x#?

All real numbers;

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The domain of the function ( y = x ) is all real numbers, represented as ( (-\infty, \infty) ). The range of the function ( y = x ) is also all real numbers, ( (-\infty, \infty) ).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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