What is the domain and range of #y^2 = x#?

Answer 1

Both the domain and range are #(0, ∞)#

The domain is all the possible values for x, and range is all the possible values for y.

Since #y^2 = x, y = sqrt(x)# The square root function can only take in positive numbers, and it can only give out positive numbers. So all possible x values must be greater than 0, because if x was for example -1, the function would not be a real number. The same goes for y values.
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Answer 2

Domain: All real numbers for x. Range: All real numbers greater than or equal to 0 for y.

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Answer from HIX Tutor

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.

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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