https://webwork.libretexts.org WeBWorK using host: https://webwork.libretexts.org, format: sticky seed: 123567

Suppose the number of CD players a retail chain is willing to sell per week
at a price of [math] dollars is given by the function
[math]
Find the supply and the instantaneous rate of change of the supply with
respect to price when the price is 40 dollars.