A car can travel 30 miles on a gallon of gas and has a 20-gallon gas tank. Let g be the number of gallons of gas the car has in its tank. The function d=30g gives the distance d in miles that the car travels on gallons.

a. what are reasonable values for the domain and range in the situation described? b. how far can the car travel on 12 gallons of gas?

Question

Mathematics

Sienna Zhang

5 February, 06:04

A car can travel 30 miles on a gallon of gas and has a 20-gallon gas tank. Let g be the number of gallons of gas the car has in its tank. The function d=30g gives the distance d in miles that the car travels on gallons.

a. what are reasonable values for the domain and range in the situation described? b. how far can the car travel on 12 gallons of gas?

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Answers (2)

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Kylan Hooper · Answer 1

1. Domain; 0 less than or equal to y less than or equal to 20

Range; 0 less than or equal to d less than or equal to 600

The domain is the number of gallons and the range is the distance traveled.

2. 30 * 12 = 360 miles

Since the car can travel 30 miles one gallon of gas, we multiply by 12 to get the distance the car can travel in 12 gallons of gas.

Phoenix Petty · Answer 2

B. 12 gallons x 30 miles = 360 miles