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What is the definition of the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does it mean if a function has a domain of x > 0?

Back

It means that the function is only defined for positive values of x, excluding zero.

Tags

CCSS.HSF.IF.A.1

Front

How do you find the domain of a rational function?

Back

To find the domain of a rational function, identify values of x that make the denominator zero and exclude them from the domain.

Front

What is the domain of the function f(x) = \frac{x}{(x-5)(x+5)}?

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Front

What is the domain of the function f(x) = \sqrt{x-2}?

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Front

What is the domain of the function f(x) = \frac{1}{x^2-4}?

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Front

What does the notation (-\infty, 3] mean in terms of domain?

Back

It means that the domain includes all real numbers less than or equal to 3.

Front

What is the domain of the function f(x) = \frac{1}{x-1}?

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Front

What is the domain of the function f(x) = \log(x-1)?

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Front

What is the domain of the function f(x) = \frac{x+1}{x^2-1}?

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