CCSS IP Math II 3.5.2 Example 2
Sang is planning a -mile bicycle trip. Complete the following and answer the questions.
• Write a rational equation to represent the relationship between , his average speed in miles per hour, and , the time in hours it will take to complete the trip. Make the independent variable and the dependent variable.
• Graph the equation.
• How long will the trip take if Sang’s average speed is miles per hour?
• What average speed will Sang need to achieve in order to complete the trip in hours?
• What is the effect on as increases? What is the effect on as decreases?