Here is another video tutorial in calculus. Examples are shown on how to evaluate the limit of a function f(x) as it approaches a point. The video is again from the Khan Academy in which I highly recommend. I will leverage their videos as prerequisites for my more advance topics as I develop them.
You can estimate a limit using numerical or graphical approach and learn different ways when a limit fails to exist. In your study of calculus, you will study analytic techniques for evaluating limits.
You will discover when solving problems, you can approach it in various ways:
(1) Numerically when constructing a table of values
(2) Graphically when drawing by hand or using software technology
(3) Analytically when using algebra or calculus
The video below briefly addresses the above three-prong approach.
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