Functions

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These online videos and calculus study materials can help you find the zeros of a polynomial function, transform and reflect functions, graph integer power functions and greatest integer functions, and more. Try one today—they're 100% free.
In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 7 of 7.

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 6 of 7.

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 4 of 7.

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 2 of 7.

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 1 of 7.

Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.

Definition of this method, f '(x) ~ (f(x+d) - f(x-d)) / (2d), for approximating derivatives and its advantages over the previous method.

Discussion of the potential problems with the first method for approximating derivatives.

Graphs of the types of discontinuities, including cusps, jump discontinuity, removable discontinuity, infinite discontinuity, and essential discontinuity.

An online graphing calculator for students who do not have a hand-held one.

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