Concavity
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Where on the interval [0, 2π] is the function f (x) = x - sin x concave up?
(π=pi)
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Solution Summary
This shows how to determine where a function is concave up.
Solution Preview
To determine if a graph is concave up or down we look at the second derivative.
f(x) = x - sin x
f'(x) = 1 - ...
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