The Ironman Triathlon is a race that consists of 3 parts: a 2.4 mile swim followed by a 112 mile bike race and then a 26.2 mile marathon.

Question

The Ironman Triathlon is a race that consists of 3 parts: a 2.4 mile swim followed by a 112 mile bike race and then a 26.2 mile marathon. Jack swims steadily at 2 mph, cycles steadily at 20 mph, and then runs steadily at 9 mph. Assume that no time is lost during the transition from one activity to the next.

a) Write and graph a piecewise function to represent this situation.

b) At what point on the coordinate plane does Jack change from swimming to biking, and from biking to running?

Answer 1

Answer 2

Check the link for the answers: https://drive.google.com/file/d/1RkQ4LvLKtHhc6-VsA5DniDMxcUJlDKBr/view?usp=sharing

Use the basic relationship of Speed = Distance/Time. Try to match the transition points indicated on the graph. Good luck!