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− | <math> | + | <math> f(x) = x ---> -1 \leqq x \leqq 1 </math> |
+ | |||
+ | |||
+ | <math> f(x) = 0 ---> 1 \leqq x \leqq 2 </math> |
Revision as of 16:34, 26 September 2008
$ f(x) = 0 ---> -2 \leqq x \leqq -1 $
$ f(x) = x ---> -1 \leqq x \leqq 1 $
$ f(x) = 0 ---> 1 \leqq x \leqq 2 $