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Function
Graph
Write it as in R: x^4 - 4*x^3, sin(x), exp(-x^2). A makeFun line works too.
Reading the three graphs
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f
f′
f″
Tangent lines
Sign strips
Extrema and inflection
R
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Trace
Trace f′ by hand
Clear trace
Extrema and points of inflection in view
Show numbers lists each input in view where the first or second derivative is 0.
Derivative formulas
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