Trigonometry L12 Math Modeling and

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Trigonometry L1-2 Math Modeling and Periodic
Functions
Definitions
Independent variable x-axis (Domain)
Dependent variable y-axis (Range)
Asymptote A line that a graph gets close to but
never touches.
Periodic Function A function that repeats itself
in certain intervals, the function is
usually a sinusoid.
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Periodic Functions
Asymptote
The graph has two asymptotes.
The graph repeats on an interval.
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Ex1. Graph the following situation. The time it
takes you to get home from a football game
depends on how fast you go.
Dependent time
Independent speed
Inverse variation function
time
The graph has asymptotes on the axes. Why?...
speed
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Ex2. Graph the following situation. As a child
goes up and down on a seesaw, his distance from
the ground depends on the time.
Dependent distance
Independent time
Periodic Function
distance
time