# Is #z = xy# an inverse variation?

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No, z = xy is not an inverse variation. Inverse variation occurs when one variable increases while the other decreases, or vice versa. Inverse variation is represented by the equation y = k/x, where k is a constant.

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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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