Read the following SAT test question, then click on a button to select your answer.
The graph of y = ?(x) is shown above. If 0 t 5, and if (t, v) is on the graph of ?, which of the following must be true?
A. –10 v –5
B. –5 v 0
C. 0 v 5
D. 5 v 10
E. 10 v 15
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

