All GRE Subject Test: Math Resources
Example Questions
Example Question #1 : Defining Derivatives With Limits
Evaluate:
Possible Answers:
Does Not Exist
Correct answer:
Explanation:
Step 1: Try plugging in into the denominator of the function. We want to make sure that the bottom does not become ...
.. We got zero, and we cannot have zero in the denominator. So, we must try and factor the function (numerator and denominator):
Step 2: Factor:
Step 3: Reduce:
Step 4: Now that we got rid of the factor that made the denominator zero, we know that this function has a limit.
Step 5: Plug in into the reduced factor form:
Simplify as much as possible...
The limit of this function as x approaches is
Edmund
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University of Ghana, Bachelor of Science, Statistics. university of Ghana, Master of Philosophy, Statistics.
Pankaj
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University of Delhi, Electrical Engineer, Electrical Engineering. Columbia University in the City of New York, Master of Arts...
All GRE Subject Test: Math Resources
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