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- Mar 12th 2009, 04:31 AMchamprockFunctions question
- Mar 12th 2009, 11:34 AMpankaj
(D) should be the obvious answer

- Mar 12th 2009, 11:37 AMchamprock
can u tell me what does the "symbol" in part "C" mean? I knew that D was the answer but didnt know what PART 3 meant.

thanks - Mar 12th 2009, 12:22 PMbkarpuz
hi,

see here: Fixed Point Theorem -- from Wolfram MathWorld

C means that there always exists a point such that or in other words intersects at least once (try to sketch a graph).

the answer is D, let . - Mar 12th 2009, 07:09 PMpankaj
I think the symbol stands for "there exists"