In this video the instructor shows how to graph a piecewise defined function. A piecewise defined function is a function that is defined in separate pieces. In these kind of functions, for different ranges of the value of x, you are given different small functions, all of which together make the whole function. This means your equation of the function is given in the form of smaller functions. Now to graph these kind of equations all you have to do is graph the individual equations in the same graph. The important point to remember is that while graphing the individual functions you have to draw them only between the values of x which are given as the range of that piece function. Now by graphing the piece functions with in their range you obtain the equation of the piecewise function. This video shows how to graph a piecewise defined function.
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