Relations and Functions

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.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

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which relation is not a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}

• {(2,7), (3,7), (4,7), (5,8)}

• {(1,-5), (-1,6), (1,5), (6,-3)}

• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.8.F.A.1

Which relation is a function?

• <(0,1), (1,2), (3,3), (3,4)>

• <(0,2), (1,3), (2,3), (3,2)>

• <(1,3), (2,2), (2,0), (3,4)>

• <(1,2), (2,2), (3,2), (1,3)>

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function

• Not a Function

Which graph is not a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Is the relation in the table a function?

• Yes, each input has exactly one output

• No, each input has exactly one output

• Yes, each input has multiple outputs

• No, each input has multiple outputs

Tags

CCSS.8.F.A.1

Is the relation in this table a function?

• Yes, each input has exactly one output

• No, each input has more than one output

• No, the cost of the movies is different

• Yes, each output has exactly one input

Tags

CCSS.8.F.A.1

List the ordered pairs represented in the mapping.

• Input and Output

• (-1, 1), (-2, 1), (-3,2), (-4,2)

• (1,1) (2,4)

• (1,-1), (1,-2), (2,-3), (2,-4)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1