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Example Questions
Example Question #1 : How To Describe Points By Graphing Functions
Suppose a point on the curve given above has the property that
.Based solely on the graph above, which of the following is most likely the
value of the point in question?
Possible Answers:
Correct answer:
Explanation:
If
then the graph must be concave up at the point. Based on the picture, we know that the curve is concave up on at best. The only value that falls on this interval is , which is . Since , this definitely falls on the interval given and we can be sure it is concave up based on the picture.Example Question #2 : Points
What is the critical point for
?
Possible Answers:
Correct answer:
Explanation:
To find the critical point, you must find the derivative first. To do that, multiply the exponent by the coefficient in front of the
and then subtract the exponent by . Therefore, the derivative is: . Then, to find the critical point, set the derivative equal to ..
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