SAT官方每日一题:2011年12月24日
2012-03-04来源:互联网
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2011年12月24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 function , defined for, is graphed above. For how many different values of is ?
A. None
B. One
C. Two
D. Three
E. Four
正确答案:E 解析: when the point is on the graph of . Drawing the line , as in the graph below, shows that the is equal to for four values of between and . |