Is it a function? Coordinates, Tables, Mappings

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 represents a function?

• {(1,2), (1,3), (1,4), (1,5)}

• {(1,2), (2,3), (3,4), (4,5)}

• {(1,2), (3,4), (3,5), (6,7)}

• {(1,2), (3,4), (5,6), (5,8)}

Tags

CCSS.8.F.A.1

Which of the following tables does NOT represent a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Which of the following mappings represents a function?

• 
• 
• 
• 

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

Which of the tables represents a function?

• Table A

• Table B

• Both Tables A & B represent functions

• Neither table represents a function

Tags

CCSS.8.F.A.1

Which mapping represents a function?

• Mapping A

• Mapping B

• Both Mapping A and Mapping B represent functions

• Neither Mapping represents a function

Tags

CCSS.8.F.A.1

A function is a relation in which each _________ is paired with _____ _________.

• y-value.... two x-values

• x-value.... two y-values

• y-value.... one x-value

• x-value.... one y-value

Tags

CCSS.8.F.A.1

Which value of w would allow these coordinates to represent a function?

{(4,-9), (6,0), (-3,2), (-5,7), (w,1)}

• -3

• -5

• 6

• 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What value of m would result in this table representing a function?

• 3

• 6

• 2

• Any value of m would make this a function.

Tags

CCSS.8.F.A.1