There are also several types of bar graphs that suit different data sets. For example, if you have several types of data in each category, you can use a clustered bar to represent it side-by-side ...

Here we are adding \(a\) to the whole function. The addition of the value \(a\) represents a vertical translation in the graph. If \(a\) is positive, the graph translates upwards. If \(a\) is ...