The document discusses graphs of functions and points of discontinuity. It provides an example of the function h(x) = (x^2 - 4) / (x+2) and instructs the reader to sketch its graph, noting that it will have points of discontinuity where the denominator is equal to zero. The reader is also directed to exercises 1, 4, and 5 on page 125 to complete.
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Graphing Rational Functions 2
1. January 19, 2010
A Hole in
the Graph
The Plug-Hole by ?ickr user ~~Tone~~
2. January 19, 2010
Warm up
Graph the following function and state
the domain and range.
g(x) = 2 8
x +4
4. January 19, 2010
Points of Discontinuity
Sometimes you will find graphs of
curves that are continuous except at
specific points.
These are points of discontinuity.