Function or Not?

• It is a function because no vertical lines hit it twice.

• It's not a function because a vertical line hits it twice.

• It's not a function because no vertical lines hit it twice.

• It is a function because a vertical line hits it twice.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

• It is a function because no vertical lines hit it twice.
• It's not a function because a vertical line hits it twice.
• It's not a function because no vertical lines hit it twice.
• It is a function because a vertical line hits it twice.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

• It is a function because no vertical lines hit it twice.
• It's not a function because a vertical line hits it twice.
• It's not a function because no vertical lines hit it twice.
• It is a function because a vertical line hits it twice.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

• It is a function because no vertical lines hit it twice.
• It's not a function because a vertical line hits it twice.
• It's not a function because no vertical lines hit it twice.
• It is a function because a vertical line hits it twice.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

• It is a function because no vertical lines hit it twice.
• It's not a function because a vertical line hits it twice.
• It's not a function because no vertical lines hit it twice.
• It is a function because a vertical line hits it twice.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

• It is a function because each x has only one y.
• It's not a function because an x has multiple y's.
• It's not a function because a y has multiple x's.
• It is a function because each y has only one x.

Tags

CCSS.8.F.A.1

• It is a function because each x has only one y.
• It's not a function because an x has multiple y's.
• It's not a function because a y has multiple x's.
• It is a function because each y has only one x.

Tags

CCSS.8.F.A.1

• It is a function because each x has only one y.
• It's not a function because an x has multiple y's.
• It's not a function because a y has multiple x's.
• It is a function because each y has only one x.

Tags

CCSS.8.F.A.1

In order to be a function the following must be true.

• each x value has only one y value
• each y value has only one x value
• each x  has only one y & each y has only one x 
• each x and y are equal

Tags

CCSS.8.F.A.1

Which of the following statements is true about a function?

• A graph passes the vertical line test
• A mapping has two arrows leaving an x value.
• A table has repeated x's with different y values
• All of these are true.

Tags

CCSS.8.F.A.1