# How do you determine if a function is a direct variation when given a table?

Take note of the behavior of one variable and compare with the corresponding behavior of the other.

If you increase the value of one variable, what happens to the value of the other variable? If it increases, you have a direct variation. If it decreases, you have a inverse variation

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To determine if a function is a direct variation when given a table, check if the ratio of y-values to x-values remains constant. If the ratio stays the same for all pairs of corresponding values, the function is a direct variation.

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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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