### Home > CALC > Chapter 1 > Lesson 1.4.1 > Problem 1-138

1-138.

Given a portion of the graph of at right: .

Sketch the rest of

ifis even and find.If a function is even, it is symmetric about the

-axis.Sketch the rest of

ifis odd and find.If a function is odd, it also has

rotational symmetry about the origin. Because of the symmetry of the areas,

.

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