The average cost c (in dollars) to manufacture x T-shirts is given by the function c=5x+410/x. Express the number of T-shirts in terms of the average cost.

Match each inequality to the number line that represents its solution

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required