1. Given the following equation: Qxd=780-2.4Px -0.05M-2Py+7.4P2

where Qxd is the quantity demanded for good X, Px is the price of price of product X

M is the income and Py is the price of product y and P2 is the price of product 2

We conclude that goods X are

a.not related

b.substitutes

c.none true

d.compliment

2. Given the following equation: Qxd= 1200-2.7Px-0.06M-3.2Py+6.9P2

We can conclude that goods x are:

a.normal good

b.an inferior good

c.cannot determine

d.none is true