Effect of Supply of Radios on Price The supply equation for a certain brand of radio is given as follows where x is the quantity supplied and p is the unit price in dollars. p = s(x) = 0.3\\x + 13 Use differentials to approximate the change in price when the quantity supplied is increased from 16,900 units to 17,400. (Give your answer correct to the nearest cent.) Need Help? Read It Watch It