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

The equation of a straight line can also be written in the form \(f(x) = mx + c\). This is called function notation and is just another way of expressing the relationship between two variables.

Quiz: Solving linear equations ... subject of a formula using inverse operations. This guide contains video and quizzes. NEW: Higher – Functions Learn about function notation, how to find ...