Question

A construction company plans to build a certain number of apartment buildings and stores on a piece of land. This PPC shows the combination of projects it can build. If the amount of land available to the company increases, the PPC will .
a) shift the left
b) Shift to the right
c) remain unchanged
The company realizes it cannot construct any buildings on a portion of the land because it is at risk of a cave-in. In this case, the PPC will .
a) shift to the left
b) shift to the right
c) remain unchanged

Answer 1

The first question should be b) Shift to the right. Because there is an increase of a parcel of land and in the graph it is increased if shift to right.
The second question should be a) shift to the left. Because there is a decrease of a parcel of land due to the obstruction and the graph would shift to left.