Lesson 1: Graph of Piecewise Linear Functions
Show the first 1:08 minutes of video below, telling the class that our goal will simply be to describe the motion of the man in words.This is the second video under “Download Options” at the siteProblem Set Sample Solutions1. Watch the video, “Elevation vs. Time # 𝟑” (below)http://www.mrmeyer.com/graphingstories1/graphingstories3.mov.
It shows a man climbing down a ladder that is 𝟏𝟎 feet high. At time 𝟎 seconds, his shoes are at 𝟏𝟎 feet above the floor, and at time 𝟔 seconds, his shoes are at 𝟑 feet. From time 𝟔 seconds to the 𝟖.𝟓 second mark, he drinks some water on the step 𝟑 feet off the ground. Afterward drinking the water, he takes 𝟏.𝟓 seconds to descend to the ground and then he walks into the kitchen.2. Watch the following graphing story: Elevationvs. Time # 𝟒Thisis the second video under “Download Options” at the site
http://blog.mrmeyer.com/?p=213called “Elevation vs. Time #𝟒.The video is of a man hopping up and down several times at three different heights (first, five medium-sized jumps immediately followed by three large jumps, a slight pause, and then 𝟏𝟏 very quick small jumps).