Inputs of a Function

Which set of coordinates represent a function? (Select all that apply)

• {(1,1), (2,2), (3,3), (4,4), (5,5)}

• {(1,5), (2,4), (3,3), (4,2), (5,1)}

• {(3,6), (4,7), (5,8), (6,9), (4,0)}

• {(-2,0), (0,-2), (3,-5), (-5,3), (10,-6), (-6, 10)}

Tags

CCSS.8.F.A.1

When deciding whether a relation represents a function.....

• x and y values cannot repeat

• x values cannot repeat

• y values cannot repeat

• x and y values can repeat

Tags

CCSS.8.F.A.1

Which of the following sets of coordinates represents a function?

• {(5,9), (9,11), (7,3), (5,-2)}

• {(-6,2), (-5,3), (-6,1), (-5,4)}

• {(-4,2), (-4,3), (-4,4), (-4,5)}

• {(1,8), (2,8), (3,8), (4,8)}

Tags

CCSS.8.F.A.1

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this a function?

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values

• No, because the vertical line test shows there are repeating input values

Is this a function? 

• Yes 

• No

What is the domain?

• the set of all x-values

• the set of all y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5