The demand for good x is given by Qdx= 1200- 1/2Px+1/4Py-8Pz+1/10M Py = $5900 Pz = 90 M = 50550
a. Indicate whether goods Y and z are substitutes or complements for good x
b. Is x an inferior or normal good
c. How many units of good x will be purchased when Px = 4910
d. Determine the demand function and inverse demand function for good x. Graph the demand curve for good X