Is It a Function Mapping

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

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?

• -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

Which of the following represent a function? (Pick 2)

• <(9,-7), (7,-5), (4,-2), (3, -8)>

• <(3,5), (4,6), (5,7), (4,8)>

• <(6,3), (4,9), (-2,-7), (-8,-5)>

• <(-2,0), (0,3), (4,5), (0,7)>

Tags

CCSS.8.F.A.1

What value of b would make this set of coordinates NOT a function?

• -7

• -3

• 4

• 6

Tags

CCSS.8.F.A.1

Tell me about this table (choose 2):

• It represents a function

• It does NOT represent a function

• Because the x-values repeat

• Because the x-values do NOT repeat

Tags

CCSS.8.F.A.1

Tell me about this mapping (select 2):

• It represents a function

• It does NOT represent a function

• Because one input (4) results in two outputs (-5 & 0)

• Because two inputs (6 & -3) result in one output (4)

Tags

CCSS.8.F.A.1