Intermediate Mathematics - Addition of ordinates
Addition of ordinates
More complex functions can sometimes be seen to result from the addition
of two more simple functions. That is, we can write: f(x) = g(x) + h(x).
The y value of a point on a graph is also known as the 'ordinate' and hence
this method is known as 'addition of ordinates'.
To sketch the graph
* draw the two graphs y = g(x) and y = h(x)
* for appropriate values across the domain add the y values of the two
graphs and plot the resultant points.
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