Sine, cosine and tangent functions are periodic functions, meaning they repeat themselves at regular intervals. This interval of repetition is known as the period of the function, and this periodicity ...

How to Graph a Function in Excel. A mathematical function is a formula that takes an input, x, ... For example, you can plot profit minus costs at various levels of sales, ...

For example, we can call either of the overloaded versions of the addFunction() method to add more than one function to a graph. Listing 9 shows how to add three functions, each with different colors.

Solving quadratic equations - Eduqas Graphs of quadratic functions. ... Example. Draw the graph of \(y = x^2 -x - 4 \) and use it to find the roots of the equation to 1 decimal place.

Solving quadratic equations - Edexcel Graphs of quadratic functions. ... Example. Draw the graph of \(y = x^2 -x – 4 \) and use it to find the roots of the equation to 1 decimal place.