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These are the Transum resources related to the statement: "Concept of a function, domain, range and graph. Function notation, for example f(x), v(t), C(n). The concept of a function as a mathematical model. Informal concept that an inverse function reverses or undoes the effect of a function. Inverse function as a reflection in the line y=x, and the notation f^{-1}(x)".

Here are some exam-style questions on this statement:

- "
*(a) A function is represented by the following function machine.*" ... more - "
*Here is a function machine that produces two outputs, A and B.*" ... more - "
*The diagram shows the graph of \(y=f(x)\), for \(-3\le x \le 4\).*" ... more

Click on a topic below for suggested lesson starters, resources and activities from Transum.

If you use the TI-Nspire calculator you can find instructions for defining a function on the GDC Essentials page. Ver useful if you need to evaluate the function for different x-values and plot a graph of the function.

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