8.2 A model fit predicting preference for U.S. President (Democrat, Republican, Inde- pendent) using x = annual income (in $10,000) is log(*p/*/) = 3.3 -0.2r and log( # :/1, ) = 1.0+ 0.3x. a. Find the prediction equation for log(it,/*to) and interpret the slope. For what range of x is AR > AD? b. Find the prediction equation for /. c. Plot ftp. dy, and fo for x between 0 and 10, and interpret