Functions or Not Graphs

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 graph a function or not a function? 

• Function 

• Not a Function 

Complete the function table for y = -2x + 1.

• -2(2) + 1; -2

• -2(2) + 1; -3

• -2(2) + 1; -1

• -2(2) + 1; 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes

• No

Tags

CCSS.8.F.A.1

Does this table represent a function?

• Yes 

• No

Tags

CCSS.8.F.A.1

Does this table represent a function?

• Yes

• No

Tags

CCSS.8.F.A.1

f(x)=4x+5
f(4)=

• 21

• -11

• -31

• 25

Tags

CCSS.HSF.IF.A.2

Is this table a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function