sat2数学题,f(x)=5√2x ,what is the value off^(-1) (10)?
If f(x)=5√2x ,what is the value of f^(-1) (10)?
人气：489 ℃ 时间：2020-04-11 20:39:47
解答
求逆函数呗.f(x)=10时 看x得几.
The answer is:f^(-1) (10)=2.
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