Problem PageQuestion
For parts (a) and (b) below, choose the correct description.
Fill in the blanks as necessary.

(a) A train travels from City A to City B. The table below shows the distance and the amount of time it takes on the train.
Distance (km)
Time (in minutes)
The train does not always go the same distance each minute.

The train appears to go the same distance each minute.

Predicted distance traveled in 8 minutes:
(b) Greg is deciding how many people to take to the movies. The table below shows the cost for different sized groups of people.
Number in group
Cost (in dollars)
The cost for each person is not always the same.

The cost for each person appears to be the same.

Predicted number in group for a cost of $63: