Which of the following functions represents the values in the table below? (-4,25), (-3,16), (-2,9), (-1,4) f(a) = 4a 2 + 5
f(a) = a 2 - 2a + 1
f(a) = a 2
f(a) = a 2 - 4a - 3

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