问题
单项选择题
Which of the following inequalities is equivalent to -4＜x＜8 ？（）
A. |x-1|＜7
B. |x+2|＜6
C. |x+3|＜5
D. |x-2|＜6
E. None of the above
答案
参考答案：D
解析：
|x-2|＜6 also represents all of the values for x between -4 and 8. A is equivalent to -6＜x＜8, B is equivalent to - 8＜x＜4, and C is equivalent to -8＜x＜2.