Researchers identified college students who generally were procrastinators or non-procrastinators. in a study, the students were asked to report throughout the semester how many symptoms of physical illness they had experienced. the study shows that late in the semester, procrastinating students reported more symptoms of physical illness than their non-procrastinating peers. complete parts (a) through (c) below. a. at the beginning of thesemester, procrastinators reported an average of 1.25 symptoms, increasing at a rate of 0.55 symptoms per week. write a function that models the average number of symptoms, y, after x weeks.? (use integers or decimals for any numbers in theequation.)