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Consider the equation . 

  1. Without graphing, where is the -intercept of .

    Set the equation equal to zero, since your output would be zero, and then solve for .

  2. On graph paper, make a table and graph .

  3. Using your graph from part (b), how can you find the -intercept of ? How do you find it in the table? Explain.

    Find the point where .

    Use the eTool below to help solve the problem.
    Click the link at right for the full version of the eTool: Int2 1-38 HW eTool