The user-friendly version of this content is available here.
The following content is copyright (c) 2009-2013 by Goods of the Mind, LLC.
This problem trains for: SAT-I, AMC-8, GMAT.
Choose three consecutive perfect squares greater than 1 on the x-axis. The values of:
at these three points:
Let the three consecutive perfect squares be:
The values of f at these points are:
These values form an arithmetic sequence with common difference 1.
As for any arithmetic sequence, the middle term is the average of its neighbors.
Only I and IV are true.