Function or Not a Function

Does this table represent a function?

• Yes

• No

Is this mapping a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Is this a function?

• Function

• Not a Function

Is this mapping a function or not a function? 

• Function

• Not a Function 

Identify the function rule that best represents the following statement:
The base price (P) of a pizza is $4.99 plus an additional $0.95 for each topping (t).

• P = 4.99 - 0.95t

• P = 4.99 + 0.95t

• P = 5.94t

• t = 4.99P + 0.95

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