Domain & Range from Graphs

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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

Front

How do you determine the domain from a graph?

Back

Identify the x-values that the graph covers.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

How do you determine the range from a graph?

Back

Identify the y-values that the graph covers.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

What does it mean if a value is included in the domain or range?

Back

It means that the value is part of the set and can be used as an input or output.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does it mean if a value is excluded from the domain or range?

Back

It means that the value cannot be used as an input or output.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

If a graph has arrows pointing up and down, what does that indicate about the range?

Back

The range is infinite in the vertical direction.

Front

What is the domain of the function f(x) = 2x + 3?

Back

All real numbers, or (-∞, ∞).

Front

What is the range of the function f(x) = 2x + 3?

Back

All real numbers, or (-∞, ∞).

Front

For the graph of a circle, how do you find the domain?

Back

Identify the minimum and maximum x-values of the circle.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5