Functions CW

A set of ordered pairs is called what?

• Coordinates
• Relation
• Function
• Vertical Line Test

A relation where every input yields one and only one output is called what?

• Relation
• Linear
• Exponential
• Function

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Is this a function? 

• Yes
• No

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.

Is this graph a function or not a function? 

• Function 
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function

Is relation shown a function?

• YES
• NO

What is f(6) for the function f(x)=3x-8

• -8

• 10

• -144

• answer not here