If Cp and sp are equal, then there is profit​

Which function has the same domain as y=2x

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Pranza plotted point a in the coordinate plane below.