A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

Which inverse function calculator is best? If you’re taking a math course in which you’re studying inverse functions, you’ll likely be required to graph functions and their inverses in many ways. An ...

Microsoft Excel is a powerful spreadsheet program which you can use to graph functions, including functions that produce curves. One limitation of Excel is that it doesn't have a built in function to ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Linear equations can be shown on a graph. Find out how to create one in this Bitesize KS3 maths video. A quadratic function can be drawn as a parabola on a graph. Find out how to plot the graph in ...