Is this a function?

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 the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Is this mapping a function or not 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

Is this table a function or not a function? 

• Function
• Not a Function 

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

.

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which value shown can replace the letter, a, so that the table is NOT a function?

• -11
• -1
• 25
• 3

Tags

CCSS.8.F.A.1

What is f(2)?

• -4
• 8
• 0
• 5

Tags

CCSS.HSF.IF.A.2

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

Tags

CCSS.HSF.IF.A.2