AP Calculus ABeasymcq1 pt
If f''(x) > 0 on an interval, then f is:
A.Increasing
B.Decreasing
C.Concave up
D.Concave down
Explanation
Core Concept
When the second derivative is positive (f''(x) > 0), the function is concave up. This means the graph curves upward like a cup.
Correct Answer
CConcave up
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