A Consumer’s Demand Function For Good X Is Qx = 100

A consumer’s demand function for good x is Qx = 100 – Px – Py/2 + Pz/2+ I/100 with Qx representing the quantity demand for good x, Px the price for good x, Py the price for good y, Pz the price for good z, and I the consumer’s income.

c) Determine whether good y is a complement or substitute to good x. d) Determine whether good z is a complement or substitute to good x. e) Determine whether good x is a normal or inferior good