The single equivalent discount rate of 9/5/4 is .17008. true or false?

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

G(x)=x2-16xb=-16, so =16 = 649(x) = (x2 - 16x + 64) - 649(x) = (x - 1)2-

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?