Domain and Range

Question 1

What is the domain of (2,3), (-3,7), (4,9)?

Answer 1

{2,-3,4}

Question 2

What is the range of (2,3), (-3,7), (4,9)?

Answer 2

{3,7,9}

Question 3

What is the domain of 
x | y
5| 6
7| 8
9| 10

Answer 3

{5,7,9}

Question 4

What is the range of 
x | y
5| 6
7| 8
9| 10

Answer 4

{6,8,10}

Question 5

On the Super Mario Brothers activity, you were asked to make a bar graph of each of your teammates and the number of points they earned in the game played. What is the domain in this problem?

Answer 5

The names of each of your teammates.

Question 6

On the Super Mario Brothers activity, you were asked to make a bar graph of each of your teammates and the number of points they earned in the game played. What is the range in this problem?

Answer 6

The score.

Question 7

If y=3x+1, what is the range when x=0, 3, and 10?

Answer 7

Range: {1, 10, 31}

Question 8

If y=3x+1, what is the domain when x=0, 3, and 10?

Answer 8

Domain: {0, 3, 10}

Question 9

What does domain mean?

Answer 9

Input; all the independent values that work; all the “x” values that work

Question 10

What does range mean?

Answer 10

Output; all the dependent values that work; all the “y” values that work.

Question 11

Mikhael cut 10 yards in the past 3 weeks and charged $30 per yard. In this problem, what is considered the domain?

Answer 11

The number of yards that were cut.

Question 12

Mikhael cut 10 yards in the past 3 weeks and charged $30 per yard. In this problem, what is considered the range?

Answer 12

Money $

Question 13

Are these points (2,3), (-3,7), (4,9) continuous or discrete?

Answer 13

Discrete

Question 14

If I get all the points between 3 and 5, is that discrete or continuous?

Answer 14

Continuous

Question 15

What does discrete mean in mathematics?

Answer 15

You can not break it up into MORE fractions or decimals.

Question 16

What does continuous mean in mathematics?

Answer 16

You CAN break it up into MORE fractions and decimals.