Representing and Interpreting Functions

The distance a car travels can be modeled by the equation y=50x where y is the miles traveled and x is the number of hours that have gone by. What does the point (0, 0) represent?

• The starting point of the car. 

• Where the car ends after time is up. 

• The car travels 50 miles total. 

• This point would not exist on the graph. 

A pizza parlor calculates the cost of a pizza using the equation C = 0.75t+10 where C is the cost and t is the number of toppings. Tina only has $12. How many toppings can she get?

• 2 toppings

• 1 topping

• 4 toppings

• 3 toppings

Is the following a function?

• Yes, this is a function.

• No, it's not a function.

• Can't be determined with this information.

WHICH TABLE REPRESENT A FUNCTION?

• 1

• 2

• 3

• 4

• Function
• Not a Function

• Function
• Not a Function

Is this a function or not a function?

• Function

• Not a Function

Function or not a function

• function

• not a function

Function or not a function

• function

• not a function

Which of the following is a function?

• A

• B

• C

• D