MARKET EQUILIBRIUM. to not (a) Jennifer's demand function for ice cream cones is Qu Jenn =10-4P at prices below $2.5 and zero at prices above $2.5. Amy's demand function is Q% # 6 -2P at prices below $3 and zero at prices above $3. What is the market demand function? Graph the individual and market demand curves. (b) Suppose the daily demand function for pizza in St. Catharines is Q" = 1575-5P. The variable cost of making @ pizzas per day is C(Q) = 20 + 0.010', there is a $100 fixed cost. There is free entry in the long run