2006 Cyprus MO/Lyceum/Problem 3
From AoPSWiki
Problem
Solution
must be non-negative, so
must be non-negative. Therefore, all
are in the domain
.
See also
| 2006 Cyprus MO, Lyceum (Problems) | ||
| Preceded by Problem 2 | Followed by Problem 4 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 | ||



![\mathrm{(A)}\ (-2,+\infty)\qquad\mathrm{(B)}\ [0,+\infty)\qquad\mathrm{(C)}\ [-2,+\infty)\qquad\mathrm{(D)}\ [-2,0]\qquad\mat...](http://alt1.artofproblemsolving.com/Forum/latexrender/pictures/1/7/b/17b3ff71c550aa65b04ac3c57d49745671985a3a.gif)

