将函数<img src="https://zk.995w.com/lqwvjeImg/68/68debe700e8539e012afe91172817125.png">表示为分段函数时,<img src="https://zk.995w.com/lqwvjeImg/e2/e25316a2bedf261e66f5601040a4a735.png">( )<br>·<img src="https://zk.995w.com/lqwvjeImg/71/712ca0aa1d25d93f768a6e2c4ad1da2d.png" ;<br>·<img src="https://zk.995w.com/lqwvjeImg/9d/9d212c8efbd1c646e59ecde7be711c8e.png" ;<br>·<img src="https://zk.995w.com/lqwvjeImg/0f/0fe6877ab7f72f4a0e27702f309033a3.png" ;<br>·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14830912614972a03c613ed844766be5e659de042e38bimage25.png" .