The accompanying bar graph shows the percentage of adults in a certain city who smoked cigarettes for selected years from 1970 through 2010. the mathematical model p+x/2=35 deacribes the percetage, p, of adults who smoked cigarettes x years after 1970. Use the information tk answer questions (a) and (b) below A. The Model underestimated the actual value by_ %
B. The Model Overestimates the actual value of by _%