3.2 Quiz Functions

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

• Function
• Not a Function

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 different 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 graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

CCSS.8.F.B.5

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 this graph a function or not a function? 

• Function 
• Not a Function 

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which graph represents y as a function of x?

• 
• 
• 
• 

Does this mapping diagram represent a function?

• No, because the input of 0 has an output of 0.

• Yes, because each input has exactly one output.

Tags

CCSS.8.F.A.1

Draw an arrow to show what a NON FUNCTION would look like in this diagram.