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Upward parabola, with vertex at the point (0, comma 9).    The graph and table below represent two different quadratic functions.

  1. Which function has a smaller minimum value? Explain how you know.

    Are there any points given for that are lower than those on ?

    ; and , both function values
    are smaller than the minimum value of .

  2. Determine the roots of . Use your results to write the expression as a product.

    Refer to problem 10-37 part (c) for additional help.