Y=2/3x-1 in standard form

Which of the following represents the range of the graph of f(x) below

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if