题目内容
已知函数分别由下表给出:
则满足的的值的集合为 .
X | 1 | 2 | 3 | | |||
f(x) | 1 | 3 | 1 | | |||
x | 1 | 2 | 3 | ||||
g(x) | 3 | 2 | 1 | ||||
试题分析:当时,,,不满足;
当时,,,满足;
当时,,,不满足;
故满足的的值是2
故答案为:.
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题目内容
X | 1 | 2 | 3 | | |||
f(x) | 1 | 3 | 1 | | |||
x | 1 | 2 | 3 | ||||
g(x) | 3 | 2 | 1 | ||||