Acompany uses the model r ( x ) = 1500 x 2 − x 3 15000 to relate its revenue, r , in thousands of dollars, to the amount of money, x , in thousands of dollars, it spends on advertising. find the point of diminishing returns for this model.

10. which of the following is true regarding preretirement inflation? a. defined-benefit plans provide more inflation protection than defined-contribution plans. b. because of preretirement inflation, possible investment-related growth is increased for defined-contribution plans. c. all types of benefits are designed to cope with preretirement inflation. d. preretirement inflation is generally reflected in the increase in an employee's compensation level over a working career.

Ireally need with these questions.6. what level of job security do athletes and sports competitors have? why do you think this is? 22. do you think a musician has more job security than an athlete? explain.37. what is the difference between a public relations specialist and a marketing professional? 47. do you think gender inequalities still exist in the sports industry? explain.50. what are the advantages and disadvantages of labor unions? do you think labor unions are fair to employers? how might they be taken advantage of?

Christopher kim, cfa, is a banker with batts brothers, an investment banking firm. kim follows the energy industry and has frequent contact with industry executives. kim is contacted by the ceo of a large oil and gas corporation who wants batts brothers to underwrite a secondary offering of the company's stock. the ceo offers kim the opportunity to fly on his private jet to his ranch in texas for an exotic game hunting expedition if kim's firm can complete the underwriting within 90 days. according to cfa institute standards of conduct, kim: a) may accept the offer as long as he discloses the offer to batts brothers.b) may not accept the offer because it is considered lavish entertainment.c) must obtain written consent from batts brothers before accepting the offer.