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Timed Test For
Points of inflection (graphical)
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Sample Problem
Let $f$ be a twice differentiable function defined over the interval $[-7,7]$. This is the graph of its *first derivative*, $f'$.  **What is the $x$-value of the rightmost inflection point in the graph of $f$?** [[☃ radio 1]]
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)