Example 9.22: shading plots and inequalities

March 1, 2012 | Nick Horton

A colleague teaching college algebra wrote in the R-sig-teaching list asking for assistance in plotting the solutions to the inequality x^2 - 3 __ 0. This type of display is handy in providing a graphical solution to accompany an analytic one. RThe plot...
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Example 8.12: Bike ride plot, part 1

November 1, 2010 | Ken Kleinman

The iPhone app Cyclemeter uses the phone's GPS capability to record location and other data, and infer speed, while you ride. I took a ride near my house recently, and downloaded the data. I'd like to examine my route and my speed. A simple plot of ...
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