设函数f（x）=ax²+（b﹣2）x+3（a≠0），若不等式f（x）＞0的解集为（﹣1，3）．

（1）求a，b的值；

（2）若函数f（x）在x∈[m，1]上的最小值为1，求实数m的值．

_____ the three deaths in the region, one person was also left missing from the April 25 sandstorm.

A．In spite of

B．Apart from

C．Separate from

D．Regardless of