# What is the domain and range of #y=4^x#?

Domain: All Real values

Range: All Real values greater than zero.

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Domain: All real numbers Range: ( y > 0 )

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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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- Tara bought 30 books yard sale. She now has 220 books. Which equation can be solved to find b the number of books Tara had before the yard sale?

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