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1-138.

piecewise function A portion of the graph of y = f(x) is given at right: 1-138 HW eTool (Desmos). Homework Help ✎

  1. Sketch the rest of the graph if f is even and calculate the area under the curve for 3 ≤ x ≤ 3.

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

  2. Sketch the rest of the graph if f is odd and calculate the area under the curve for −3 ≤ x ≤ 3.

    If a function is odd, it also has 180º rotational symmetry about the origin.

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