Domain and Range

Front

What is the domain of a function?

Back

The collection of all inputs or x-values.

Front

What is the range of a function?

Back

The collection of all outputs or y-values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Given the relation (9, -2), (4, 3), (8, 10), (-4, 8), what is the range?

Back

{-2, 3, 8, 10}

Front

What is the input in a function?

Back

The value that is put into a function, typically represented as x.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the output in a function?

Back

The value that comes out of a function, typically represented as y.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

If a function has the ordered pairs (1, 2), (2, 4), (3, 6), what is the domain?

Back

{1, 2, 3}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

If a function has the ordered pairs (1, 2), (2, 4), (3, 6), what is the range?

Back

{2, 4, 6}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does it mean for a function to be one-to-one?

Back

Each input has a unique output.

Front

What is a vertical line test?

Back

A method to determine if a curve is a function by checking if any vertical line intersects the curve more than once.

Front

What is an example of a function?

Back

f(x) = 2x + 3 is a function because for every x, there is one unique y.

Tags

CCSS.8.F.A.1