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 ...

Welcome to Plot Twist, our new Excel data visualization series where we turn boring data into unique visualizations. In the ...

👉 Learn how to graph linear equations from the table of points. When given the table of points of a linear equation, we plot ...

An example of a scatter graph. This graph shows the relationship between a recorded temperature and the number of drinks sold. To produce a scatter diagram, data is required. The data often comes in ...