GMAT Math : DSQ: Graphing an exponential function

Study concepts, example questions & explanations for GMAT Math

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Example Questions

Example Question #1 : Dsq: Graphing An Exponential Function

Graph the exponential function .

I)  is a monomial.

II)  has a base of 4.

Possible Answers:

Neither statement is sufficient to answer the question. More information is needed.

Statement II is sufficient to answer the question, but Statement I is not sufficient to answer the question.

Either statement is sufficient to answer the question.

Both statements are needed to answer the question.

Statement I is sufficient to answer the question, but Statement II is not sufficient to answer the question.

Correct answer:

Neither statement is sufficient to answer the question. More information is needed.

Explanation:

An exponential function follows the general form of

Statement I tells us that there is only one term, so the  part of the equation isn't needed for this exponential function.

Statement II tells us that in this case, .

However, we could have nearly anything as our exponent. We are unable to make an accurate graph of this function, so more information is needed.

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