Periodic Functions and Symmetry

Periodic Functions and Symmetry - Periodic Functions and...

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Unformatted text preview: Periodic Functions and Symmetry Symmetry Section 2.1 A periodic function is a function that repeats periodic itself. itself. Even Functions Even If If f(-x) = f(x) for every value in its domain, f(-x) then the function is an even function. then Even axis. functions are symmetric to the y- Odd Functions Odd If If f(-x) = -f(x) for every value in its domain, f(-x) then it is said to be an odd function. odd Odd functions are symmetric to the origin. A graph is symmetric to the x-axis if every graph point (a, b) has a point (a, -b) on the (a, (a, grfaph. grfaph. Joke Time Joke What Get did pi say to i? real! What Be did i say to pi? rational. What did one-half say to one? You’re full of yourself! ...
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