2.1 Modeling Rates of Change: Quiz

Problem 1

A testing organization runs cars through varied terrain of trail, road, and pavement. Over one section of trail, the car travels for 5 minutes at 15 miles per hour. Over a dirt road, the car travels at 35 miles per hour for 10 minutes. On paved road, the car travels 65 miles per hour for 15 minutes.

  1. What is the total time spent on the course?
  2. What is the total distance traveled?
  3. What is the average speed of the car?

Answers, problem 1

  1. 30 minutes
  2. 23.33333333 miles
  3. 46.66666666 miles per hour

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