SAT官方每日一题:2012年3月22日
 2012-04-03来源:互联网
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2012年03月22日
考试类型: Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.

  The graph of  is shown above. If
 is shown above. If  , and if
, and if  is on the graph of
 is on the graph of  , which of the following must be true?
, which of the following must be true?
  A. 
  B. 
  C. 
  D. 
  E. 
| 正确答案:D 解析: The second coordinate of a point on the graph corresponds to  | 
 
       . From the graph, you can see that for
. From the graph, you can see that for  , the smallest value of
, the smallest value of  is
 is  and the greatest value is
 and the greatest value is  , so
, so  .
. 
               
               
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