Functions and 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

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

Which graph is not a function?

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Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

CCSS.HSF.IF.B.4

Which mapping diagram is not a function?

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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

Tags

CCSS.HSF.IF.A.1

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

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which table represents y as a function of x?

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Tags

CCSS.8.F.A.1

What is the domain of f?

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1