Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic ...

In the case of a scatter plot, whether you use it simply with marking points or lines, the graph is spread across the XY-axis. Eg. Let us consider this example of a person’s salary across the ...

Draw the graph of \(y = 3x - 1\). If you recognise this as a straight line then just choose two ‘easy’ values of \(x\), work out the corresponding values of \(y\) and plot those points.