IXL | Domain and range of functions

What is the range of this function?

{

–

}

{

–

}

{

–

}

{

–

}

ref_doc_title.

Learn with an example

question

What is the range of this function?

(
8
,
–
4
)
(
6
,
10
)
(
0
,
5
)
(
–
8
,
2
)
(
–
1
,
–
6
)
(
2
,
5
)

{

–

}

{

–

}

{

–

}

{

–

}

key idea

A function is any set of ordered pairs where every input, or

x-value,

has exactly one output, or

y-value.

The range of a function is the set of

y-values

of those ordered pairs.

solution

To find the range, find the

y-values

of the ordered pairs.

(

–

)

(

)

(

)

(

–

)

(

–

)

(

)

The range is

{

–

}

Notice that even though 5 is the

y-value

of more than one ordered pair, it only needs to be listed once.

Looking for more? Try these:

Lesson: Domain and range

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Questions
answeredQuestions

Time
elapsedTime

hr	min	sec
00	00	04

SmartScore
out of 100
IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

Teacher tools

Work it out

Not feeling ready yet? These can help:

R.2Objects on a coordinate plane

Lesson: Domain and range

Excellent! You got that right!

Jumping to level 1 of 1

Excellent!