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1-138.

A portion of the graph of is given at right:

  1. Sketch the rest of the graph if is even and calculate the area under the curve for .

    If a function is even, it is symmetric about the -axis.

  2. Sketch the rest of the graph if is odd and calculate the area under the curve for .

    If a function is odd, it also has rotational symmetry about the origin.

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Continuous linear Piecewise, starting at the origin, turning horizontal at (1, comma 1), continuing to the right.