At a price of x dollars, the supply function for a music player is q=70e0.002z, where q is in thousands of units. How many music players will be supplied at a price of 275 ? (Round to the nearest thousand.) thousand units Find the marginal supolv Marginal supply (x)= Which is the best interpretation of the derivative? The quantity supplied if the price increases The price at a given supply of units The rate of change of the price as the quantity supplied increases The rate of change of the quantity supplied as the price increases The number of units that will be demanded at a given price