Suppose the demand for X is given by Q_x^d = 100 − 2P_X + 4P_Y + 10M + 2A,where P_X represents the price of good X,P_Y is the price of good Y,M is income,and A is the amount of advertising on good X.Good X is:

Question

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The demand function shows that the coefficient of the price of good X, P_X, is negative. This means that as the price of X increases, the quantity demanded of X decreases. This is consistent with the law of demand and indicates that good X is a normal good. The other variables in the demand function (price of good Y, income, and advertising) have positive coefficients, indicating that they have a positive effect on the demand for good X. It is not a Giffen good because the coefficient of the quantity of good Y is positive, not negative. It is also not a complement because the demand for good X does not depend on the price of any other good.

Suppose the Demand for X Is Given by Qxd =

Suppose the Demand for X Is Given by Q_x^d =