A:finishing
B:to finish
C:finished
D:have finished
﹣4,﹣|﹣ 43 |,0, 227 , π2 ,2013,﹣(+5),+1.88,0.010010001…,﹣2.33….
整数集合{ }
非负数集合{ }
分数集合{ }
无理数集合{ }.
阅读程序框图,如果输出的函数值在区间14,12内,则输入的实数x的取值范围是____ .