Which of the following could be true?

If

and a = 4 and b = 8, which of the following could be true?
A. x < a
B. x > b
C. a < x < b
D. 4 < x < 8
E. None of the above

Correct Answer: A
Explanation/Reference: Explanation:
If a = 4, x could be could be less than a. For example, x could be 3:

,

,

. Although x < a is not true for all values of x, it is true for some values of x.

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