Combinethe left column with the right column to form correct expressions.[img=550x123]17e446f8b0f75f7.png[/img]
举一反三
- Combinethe left column with the right column to form correct expressions.[img=550x123]17e0c6bbc6541db.png[/img]
- Match the left column with the right column to form correct expressions.[img=957x297]17e0c6e62885cc9.png[/img]
- Match the words in the left column with thewords in the right column to form certain expressions
- Match the words in the left column to form certain expressions.
- 5.下列函数中,在其定义域上有最大值和最小值的是()。 A: $f(x)=\left\{ \begin{array}{*{35}{l}} \ln \left| x \right|,\ \ \ x\ne 0 \\ 0,\ \ \ \ \ \ \ \ x=0 \\ \end{array} \right.$ B: $f(x)=\ln \left( \left| x \right|+1 \right)\ x\in [-1,1]$ C: $f(x)=\ln \left| x \right|,\ \ \ x\in [-1,1]\backslash \{0\}$ D: $f(x)=\left\{ \begin{array}{*{35}{l}} \ln \left| x \right|,\ \ \ 0\lt |x|\lt 1 \\ 0,\ \ \ \ \ \ \ \ x=0 \\ \end{array} \right.$