What are the domain and range of f(x)=(1/5)^x
The domain is all real numbers. The range is all real numbers.
The domain is all real numbers. The range is all real numbers greater than zero.
The domain is all real numbers greater than zero. The range is all real numbers.
The domain is all real numbers greater than zero. The range is all real numbers greater than zero

A3x4x5 rectangular cuboid (e.g. a brick) is painted blue and cut into 1x1 cubes. what is the expected value for the painted sides of a randomly selected cube?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

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