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<math> f(x) = 0 ---> 1 \leqq x \leqq 2 </math> | <math> f(x) = 0 ---> 1 \leqq x \leqq 2 </math> | ||
| + | |||
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| + | <math> f(x+4)=f(x) </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 $
$ f(x+4)=f(x) $
