I N HEL Consider the function f(x) = 2x2 + 6x – 8.

Which of the following is the factored form of f(x)?

A.
f(x) = (2x + 1)(x – 8)

B.
f(x) = (2x – 1)(x + 8)

C.
f(x) = 2(x + 4)(x – 1)

D.
f(x) = 2(x – 4)(x + 1

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?