Functions, Domain and Range

Give the range of the set of ordered pairs: (2, 11), (9, -3), (7, 21), (-8, 6)

• {2, 9, 7, -8}

• {11, -3, 21, 6}

• -8 < x < 9

• -3 < y < 21

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does the graph show a function?

• Yes

• No

Which set of ordered pairs is not a function?

• (1, 3), (2, 7), (3, 8), (4, 11)

• (2, 3), (4, 9), (3, 8), (4, 15)

• (1, 2), (3, 5), (6, 9), (7, 11)

• (-9, 4), (-6, 3), (-2, 8), (0, 21)

Tags

CCSS.8.F.A.1

Which mapping diagram is not a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Which graph is not a function?

• 
• 
• 
• 

What is a function?

• A relation that maps every domain value to exactly one range value.

• A relation that maps every range value to exactly one domain value.

• Any set of ordered pairs.

• Any graph of x and y values.

Tags

CCSS.8.F.A.1

What is the test to determine if a graph represents a function?

• Horizontal line test

• Vertical line test

• Heidelberg Uncertainty Test

• Obi Wan Kenobi Test

Does this table represent a function?

• Yes!
• No!
• I Don't Know

Tags

CCSS.8.F.A.1

Is this relation a Function?

• Yes
• No
• I Don't Know

The table of values are shown. What is the range of the relation? From least to greatest. 

• (-4,-8,-3)
• (-3,2,6)
• (-8,-4,4)
• (6,2,-3)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1