Point of Inflection
find f'(x)find f(x)f(x) = 0 = possible poisign chart – f(x)inflection point is when the sign changes!!
A point of inflection is a point where the curvature of a function changes its direction. In other words, it is a point on a curve where the concavity changes from concave up to concave down, or the other way round, which results in a change in the slope of the tangent line.
Mathematically, a point of inflection occurs at x=c if the second derivative changes sign at that point. If the second derivative of a function is positive at a particular point, and then it becomes negative beyond that point, then that point is a point of inflection. Similarly, if the second derivative of a function is negative for some value of x, and then it becomes positive beyond that point, then that point is also a point of inflection.
Points of inflection can be seen graphically as the points where the slope of a curve changes from increasing to decreasing or vice versa. They are important in mathematics and science because they help to identify the shape of a curve, and they can be used to analyze the behavior of various phenomena, such as the growth of populations, the rate of change of certain physical properties, and the behavior of financial markets.
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