Which is a recursive formula for the sequence 65.4,0,-65.4, -110.8,
where f(1) = 65.4?

Hint: Find the pattern first. Is this an arithmetic or geometric sequence?

A f(n + 1) = f(n) + 65.4, n >=1
B f(n + 1) = f(n)-654, n=1
C (n + 1) = 65 4 f(n), n >=1
D f(n + 1) = -65.4 f(n),n>=1

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Which expression gives the exact value of x?