In this video I present a set of problems to help prepare for learning about rational functions in precalculus. While rational functions is explored in Algebra 2 I decided to make it a separate unit ...

Here is the new description without links: Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and ...

The company is making a few changes to search filters, including adding a new ‘Popularity’ one. The company is making a few changes to search filters, including adding a new ‘Popularity’ one. is a ...

It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

If I were to design a family crest, it would feature a rusted lawnmower in an overgrown field of weeds above the motto, “If it’s broke, don’t bother” — in Latin, of course. My father was an Army ...

How to use the new TEXTSPLIT() function in Microsoft Excel Your email has been sent Working with strings in Microsoft Excel is common, whether you’re parsing, concatenating or returning a character ...

European shares made broad-based gains on Thursday, with lower-than-expected U.S. inflation strengthening hopes for Federal Reserve interest rate cuts in 2026 and the European Central Bank taking a ...

How to use Microsoft Excel’s VSTACK() function to combine multiple data sets Your email has been sent Have you ever received data that you had to consolidate manually? It’s tedious work and prone to ...