Profit P(x), is the difference between revenue, R(2), and cost. C'(x), so P2) = R(2) - C(I). Which expression represents P(x), if R(x) = 22" – 3,2° + 2. – 1 and C(q) = 2.1 – ? + 2x + 3? ​

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours