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GMAT Question of the Day (January 19)

Jeff 0

Math

If f(x) = \frac{x^2}{x^4 - 1}, what is f(\frac{1}{x}) in terms of f(x)?

A. f(x)
B. -f(x)
C. \frac{1}{f(x)}
D. -\frac{1}{f(x)}
E. 2f(x)

Question Discussion & Explanation
Correct Answer -  B - (click and drag your mouse to see the answer)

Verbal

There are a few acts of nature, such as a total solar eclipse or a dormant volcano exploding, that are so rare and so dramatic as to seem like metaphors for the virtue of patience itself.

A) a dormant volcano exploding, that are so rare and so dramatic as to seem like metaphors for the virtue of patience itself
B) an explosion of a dormant volcano, that are so rare and dramatic enough that they seem like metaphors for the virtue of patience themselves
C) the explosion of a dormant volcano, that are so rare and so dramatic that it seems like a metaphor for the virtue of patience itself
D) the explosion of a dormant volcano, that are so rare and dramatic enough as to seem like a metaphor for the virtue of patience themselves
E) a dormant volcano exploding, that are so rare and so dramatic that they seem to be a metaphor for the virtue of patience themselves

Question Discussion & Explanation

Correct Answer - A - (click and drag your mouse to see the answer)

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