Let a and b be bounded subsets of r. (a) why does sup(aub) exist? (b) prove that sup(aub) = max

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811

Find cot x if sin x cot x csc x = √2