EasyCurve sketching

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §3.3 Second Derivatives: Bending and Acceleration, #2 · Calculus · Curve sketching

Find a function that is concave down for … and concave up…

Find a function that is concave down for $x < 0$ and concave up for $0 < x < 1$ and concave down for $x > 1$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.3 Second Derivatives: Bending and Acceleration, #2

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