CalcNotes0101-page19

CalcNotes0101-page19 - (Chapter 1: Review) 1.19 A function...

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(Chapter 1: Review) 1.19 A function f is odd ± f ² x () = ² fx ³ x ´ Dom f ± The graph of y = is symmetric about the origin . Example If = x 3 , then f is odd, because ± x ² R , f ± x = ± x 3 = ± x 3 = ± The “snake” graph of y ± = x 3 below is symmetric about the origin . This means that, if the entire graph is rotated 180 ± about the origin, we obtain it again. If the graph has a y -intercept, it must be at the origin.
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