AP Calculus ABeasymcq1 pt
If and , which of the following must be true about the function at ?
A. has an absolute maximum at .
B. has a relative minimum at .
C. has a relative maximum at .
D. has a point of inflection at .
Explanation
Core Concept
Correct. The Second Derivative Test states that if and , then has a relative maximum at because the graph is concave down at this critical point.
Correct Answer
C has a relative maximum at .
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