Question: multiple linear regression model involving one qualitative and one quantitative independent variable produced this prediction equation: Use this information to answer 12. Graph the two

multiple linear regression model involving one qualitative and one quantitative independent variable produced this prediction equation:

y=12.6+.54x, -1.2x,x+3.9x2

Use this information to answer 12. Graph the two equations found in Exercise 11.
Compare the shapes of the two curves

y=12.6+.54x, -1.2x,x+3.9x2

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