Domain & Range Review

​Domain & Range Review

By Minh Ung

Multiple Choice

The distance a car travels, , is a function of , the time it travels. A certain car travels 425 miles at a speed of 50 miles per hour. What are the domain and range of the function described?

• The domain is all real values from 0 to 425 and the range is all real values from 0 to 8.5.

• The domain is all real values from 0 to 8.5 and the range is all real values from 0 to 50.

• The domain is all real values from 0 to 50 and the range is all real values from 0 to 425.

• The domain is all real values from 0 to 8.5 and the range is all real values from 0 to 425.

Multiple Choice

A factory makes and sells cartons of chewing gum.

• The factory produces at most 500 cartons per day.

• Each carton sells for $25.

Which of the following best describes the domain of the function that represents f(x), the total sales in dollars, for making x cartons in one day?

• $$0\le x\le500$$

• $$0\le x\le12500$$

• $$0\le x\ge700$$

• $$0\ge x\ge150$$

Multiple Choice

A car travels at a constant speed of 60 miles per hour. After driving for some time, the car has traveled a total of 240 miles. How many hours has the car been driving?

• 14,400 minutes

• 4 minutes

• 4 hours

• 14,400 hours