# What is the Domain and Range of #f(t) = 20#?

The domain is the set of all real numbers:

The range is:

There are no exclusions for the value of

For every values of

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The domain of ( f(t) = 20 ) is all real numbers, denoted as ( (-\infty, \infty) ), because there are no restrictions on the input ( t ). The range of ( f(t) = 20 ) is a single value, which is 20, because the function output is constant regardless of the input ( t ). Therefore, the range is ( {20} ).

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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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