# Graphic addition --- Introduction ---

Graphic addition is an exercise concerning the graphical recognition of the addition of functions of one real variable.

The server will give you the graph of two functions $f$ and $g$, whose expressions will be hidden. You will then be presented a certain number of other graphs, corresponding to functions such as $f\left(x\right)+g\left(x\right)$, $f\left(-x\right)-g\left(x\right)$, $f\left(x\right)+g\left(-x\right)$, etc (see the menu below). And you should locate the one which corresponds to one which will be precised in a question.To give the reply, you can simply click on the graph which you believe to be the good one.

The exercise can be configured by the following parameters.
• Type of functions
• Number of questions in one session , , , , , , , ,
The score is attributed only at the end of a session.
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