A function y = f (x) is one-to-one if and only if its graph intersects each horizontal line at most once. A) True
B) False

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.