![]() Why is curve skething done less nowadays? (if of if not there is a turning point at the root of the derivation, can be checked by using the change of sign criterion.) At an inflection point, the second derivation has to be, so to find inflection points solve the equation. ![]() you gotta solve the equation for finding maximum / minimum turning points. Turning points can be at the roots of the derivation, i.e. Then you set the function as well as the derivative equal to zero: Roots are solutions of the equation. How to get those points?īy calculating derivatives. roots, y-axis-intercept, maximum and minimum turning points, inflection points. Curve sketching is a calculation to find all the characteristic points of a function, e.g.
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