Domain & Range

Front

What is the definition of 'domain' in a relation?

Back

The set of all possible input values (x-values) for a function or relation.

Front

What is the definition of 'range' in a relation?

Back

The set of all possible output values (y-values) for a function or relation.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does the notation {x | x > 0} represent?

Back

The set of all x values that are greater than 0.

Front

If a function is defined as f(x) = 2x + 3, what is the domain?

Back

The domain is all real numbers, as there are no restrictions on x.

Front

If a function is defined as f(x) = 1/x, what is the domain?

Back

The domain is all real numbers except x = 0.

Front

What is the range of the function f(x) = x^2?

Back

The range is all real numbers greater than or equal to 0.

Front

What is the range of the function f(x) = -x?

Back

The range is all real numbers, as it can take any value.

Front

How do you find the range from a set of ordered pairs?

Back

Identify all the second elements (y-values) in the ordered pairs.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the relationship between domain and range in a function?

Back

The domain consists of input values, while the range consists of output values derived from those inputs.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What variable typically represents the range?

Back

y.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1