# Continuity problem

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• November 12th 2008, 08:21 AM
calculus2008
Continuity problem
http://i373.photobucket.com/albums/o...lus2008/Q1.jpg
how do i do this problem?
Thanks in advance.
• November 12th 2008, 08:40 AM
flyingsquirrel
Hi,

Try to use this : if $a_1,a_2\ldots a_n$ are $n$ real numbers then $\min_{1\leq i\leq n}a_i\leq \frac{a_1+a_2+\cdots+a_n}{n}\leq \max_{1\leq i\leq n}a_i$.