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Transformations of functions: Traslations and Dilatations

This unit focuses on the changes produced on the graph of a real function with a real variable when any of the unknown factors are altered to the same factor added to or multiplied by a constant. In t ...

Quadratic functions. Parabola curves

This unit deals with graphs of second degree polynomial (quadratic) functions. It starts by looking at the simplest graph, y = x2, and focuses on different types of quadratic functions, relating them ...

Interpreting graphs

Through language we are able to communicate with each other. The most common forms of language are: oral, written and graphical. Nowadays, graphics represent one way of expressing and transmitting inf ...

Inverse functions

The origin of the concept of functions has always been closely linked to the study of the phenomena of change. The oldest written references can be found amongst the writings of Babylonian astronomers ...

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