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    Modeling using Second and Third Order Polynomials

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    To explore the versatility of rational functions, choose a second-order/third-order (e.g., x2/x3) and a third-order/second-order (e.g., x3/x2) rational function. Provide a graph for the second-order rational function (e.g., x2), choosing x values in the range from -10 through +10.

    Then, provide at least three variations of the function plotted on the same graph. Include separate changes to a coefficient in the numerator, to a coefficient in the denominator, and to a constant. The changes should be increases or decreases of a factor of 2 in each case. Repeat the procedure making a second graph for the third-order rational function (e.g., x3). For each of the two graphs, describe how changes in coefficients and constants change the behavior of the function.

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    Solution Summary

    Modeling using Second and Third Order Polynomials is investigated.