Direct propotionality show the working out

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places