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10 questions from this quiz
The concavity of the function changes
Change sign
The graph is concave up (cup shape)
The graph is concave down (cap shape)
At x=1x = 1x=1
f′′(x)f''(x)f′′(x) does not change sign at x=1x = 1x=1
It might be an inflection point
Find the second derivative f′′(x)f''(x)f′′(x)
Check sign of f′′(x)f''(x)f′′(x) left and right
When x>1x > 1x>1
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