Formalizing Relations and Functions

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 

Is the mapping a function or not?

(Write out the ordered pairs!)

• Function

• Not a Function

Tags

CCSS.8.F.A.1

What is an ordered pair that would be part of this function?

• (5, 1)

• (2, -10)

• (4, 4)

• (3, 15)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Is this a function?

• Yes, it is a function.

• No, it is not a function.

Tags

CCSS.8.F.A.1

Is this is a function or not a function?

• Function

• Not a Function

.

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this relation a function?

{(6, 5), (7, 3), (8, 1), (9, 1)}

• Yes, a Function

• No, not a Function

Tags

CCSS.8.F.A.1

Is the mapping a function or not?

(Write out the ordered pairs!)

• Function

• Not a Function

Tags

CCSS.8.F.A.1