Here is a function that is either a demand function or a supply function (but not both):
Q = 2 + 5P
A change occurs so that the following function now represents the situation:
Q = 6 + 5P
It can be concluded that:
a. demand has increased.
b. demand has decreased.
c. supply has increased.
d. supply has decreased.
e. quantity supplied has decreased.
f. quantity demanded has decreased.
g. quantity demanded has increased.
h. quantity supplied has increased.