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The graph of is sketched at right.

Start by making a table of values for the given function.

  1. Sketch .

    Give each of the -values in your table the opposite sign and graph the new function.

  2. Sketch .

    Since , give each of the -values in your original table the opposite sign. Then graph the new function.

  3. Sketch .

    Add a third column to your original table labeled . Then, for example, .

Upward V shape graph, vertex at the point (0 comma negative 2), passing through the points (negative 2, comma 0), & (2, comma 0).