Given limx→3−f(x)=−∞ tells us what about the graph of f(x)?

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?

How do i i solve this equation? -18 = x/3 + 3

Which of the following is equal to the rational expression when x is not equal to -2 or -6?