Precalc0103to0104-page9 - (Section 1.3: Basic Graphs and...

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(Section 1.3: Basic Graphs and Symmetry) 1.3.9 Look at the table. Each pair of opposite x values yields opposite function values . That is, fx () and f ± x are always opposites. Graphically , this means that every point x , y on the graph has a “mirror image partner” ± x , ± y on the other side of the origin. The two points are separated by a 180 ± rotation (a half revolution) about the origin. These “mirror image pairs” are symmetric about the origin . • We say that f is an odd function . (Why?) A function f is odd
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This document was uploaded on 12/29/2011.

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