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 ...

To help draw a straight line graph from its equation, fill in a table of 𝑥 and 𝑦 values. Plot the pairs of values as coordinates and join to make a line. Make sure you are confident with ...

If you need a line chart, Microsoft PowerPoint 2010 can help you plot your line graph on any of the slides that make up your presentation. You can select the type of line graph and then insert the ...

Most graphs chart data that you currently have, but in the course of running a business, you may find you need to design graphs before their data is available. For example, you might use Microsoft ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. Graphs are pictorial representations of numbers. Therefore, at the least, we ...