Question: Determine whether a linear function or a quadratic function would be a more appropriate model for each set of graphed data. If linear, tell whether

Determine whether a linear function or a quadratic function would be a more appropriate model for each set of graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, tell whether the coefficient of x2 should be positive or negative.


Percentage (%) High School Students Who Smoke 40 35 30 25 20

Percentage (%) High School Students Who Smoke 40 35 30 25 20 15 1 1 L 02 6 10 Year Data from www.cdc.gov

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