EasyCurve sketching

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §3.3 Second Derivatives: Bending and Acceleration, #16 · Calculus · Curve sketching

Locate the inflection points and the regions where … is concave up…

Decide which stationary points are maxima or minima.

$f (x) = x + sin 2 x$

Locate the inflection points and the regions where $f (x)$ is concave up or down.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.3 Second Derivatives: Bending and Acceleration, #16

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