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[img]2022m10s/ct_ve01203002j_egreqbj_0016_221011[/img]Quantity A: The range of
[img]2022m10s/ct_ve01203002j_egreqbj_0016_221011[/img]Quantity A: The range of
游客
2025-02-23
8
管理
问题
Quantity A: The range of possible values of |z-x|
Quantity B: The range of possible values of |z-y|
选项
A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.
答案
B
解析
首先将x、y、z的数据表示在数轴上。再看Quantity A的|z-x|就是z到x的距离,分别找出距离最大和最小值并作差即可,Quantity B同理。
|z-x|:最大为7-(-2)=9,最小为6-2=4,极差为9-4=5。
|z-y|:最大为5-(-7)=12,最小为6-5=1,极差为11-1=10。
所以答案选B。
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