Exp Functions and Graphs

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

How do you determine if a graph is a function?

• look at the y-values, if they repeat, it's not a function

• Use the "vertical line" test aka "pencil test"

• Look at you x-values, if they repeat it is a function

• Use the horizontal line test

How can you determine if a table or ordered pairs represents a function?

• for every y-value there is only one x-value

• for every x-value there is only one y-value

• vertical line test

• for every x-value there is more than one y-value

Tags

CCSS.8.F.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1