Problem: Let denote the greatest integer where and where . Then we have
Answer Choices:
A. The point does not belong to for any .
B. The area of is bounded by 0 and .
C. is contained in the first quadrant for all .
D. The center of for any is on the line .
E. None of the other statements is true.
Solution:
For any fixed . Hence , the intertor of the circle with center and redius , has an area between and .