The following multiple regression model was developed to predict job performance as measured by a company job performance evaluation index based on a preemployment test score and colle grade point average (GPA): y=39+19x+53x2 where y= job performance evaluation index, xpreemployment test score, X2college GPA. a) For an applicant who had a 3.2 GPA and scored 85 on the preemployment test, the forecast for the job performance index=(round your response to one decimal place).