Graphic inverse --- Introduction ---

Graphic inverse is an exercise on the graphical recognition of an inverse function.

The server will give you the curve of a monotonous function f(x) on the interval [-3,3]. This function is randomly generated by the server, and its expression is hidden from you. You will then be presented with a certain number of other curves, and have to recognize among them that of the inverse function , or one of , or according to the configuration of the exercise. To send the reply, you can simply click on the curve which you think is the good one.

The difficulty of the exercise varies considerably with the choices of several parameters.
Difficulty level 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 . 9 .
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