In Exercises 27 and 28, use a computer or programmable calculator to approximate the definite integral using the Midpoint Rule and the Trapezoidal Rule for 8, 12, 16, and 20. 4 0 2 3x2 dx

CHAPTER 14 PUBLIC RELATIONS: Defining public relations: Advertising and PR are attempts at persuasions and use mass media. PR is management functions but advertisement is marketing function. PR is not involved in interpersonal communications. Advertisement is sponsored but PR messages appear as features, news stories or editorials and space and time...