Rational Functions

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Exercises for students
Sketch the following graphs on paper, giving the equations of any asymptotes, and check your graphs using the above applet:
y = x2 / (x2 - 2x - 3) y = x2 / (x2 - 2x + 1) y = x2 / (x2 - 2x + 2)
y = (x2 + x) / (x2 - 2x - 3) y = (x2 + x) / (x2 - 2x + 1) y = (x2 + x) / (x2 - 2x + 2)
y = 1 / (x2 - 2x - 3) y = 1 / (x2 - 2x + 1) y = 1 / (x2 - 2x + 2)




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