1£®ÒÑÖª¼¯ºÏA= £¬B={x|x2-2x-3<0}£¬ÄÇôA∩£¨CRB£©Îª£¨ £©
A£®£¨-1£¬5£© B£®£¨-1£¬3£©
C£®£¨-∞£¬-1£© ∪[3£¬+∞£© D£®[3£¬5]
2£®Ó뺯Êý µÄͼÏóÏàͬµÄº¯ÊýÊÇ£¨ £©
A£®y = x-1 B£®y = C£®y = |x-1| D£®y =