Q5 a. Estimate the equlibrium price and quantity of the market whose demand and supply functions are pa = -(q + 4)? + 100 and p, = (q + 2)² respectively. Showing all supporting working: b. If the...

Extracted text: Q5 a. Estimate the equlibrium price and quantity of the market whose demand and supply functions are pa = -(q + 4)? + 100 and p, = (q + 2)² respectively. Showing all supporting working: b. If the region A (shaded grey) in the diagram above represents a solution set, derive the system of inequalities which define that region.