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d The marginal price _p at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $100 per unit [p(0) = 100], and there is a weekly demand of 8 units at the dx price of $74.46 per unit [p(6) = 74.46]. Use the given information to answer the questions. a) Find the price-demand equation. p(X) = :l (Type an exact answer in simplied form. Round all decimal values to the nearest hundredth as needed.) b) At a demand of 20 units per week, what is the price? 99) a $ (Round to the nearest cent as needed.) 0) Graph the price-demand equation for 0 S x S 25. Choose the correct graph below. C? A. 110 U B. C? C. D D. Q 110 Q 110 110 Q Q E? D&quot