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jasontomonaga
 
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主题：[The Official SAT Question of the Day™] December 23rd Tuesday

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The graph of y = ƒ(x) is shown above. If 0

5, and if (t, v) is on the graph of ƒ, which of the following must be true?
A. –10

–5
B. –5

0
C. 0

5
D. 5

10
E. 10

SAT题目：http://apps.collegeboard.com/qotd/question.do

楼主 Date: 2008-12-23 20:01:31

jasontomonaga

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Hint : The second coordinate of a point on the graph corresponds to v. Look at the graph to see the possible values for v when 0

沙发 Date: 2008-12-23 20:02:33

jasontomonaga

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Correct Answer: D

Here's Why: The second coordinate of a point on the graph corresponds to v. From the graph, you can see that for 0 t 5, the smallest value of v is 5 and the greatest value is 10, so 5 v 10.
Difficulty: Hard
Question Type: Standard Multiple Choice
(Mathematics)

板凳 Date: 2008-12-23 20:04:06

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