Jonathan Haidt, the well-known psychologist from New York University, started as a "typical" liberal intellectual ... what he called "the most important graph in the world." ...

4x + 3\) and draw its graph for values of \(x\) from –2 to 5. Plot the \(x\) and \(y\) values as coordinates and join them with a smooth curve. This is a typical shape for a quadratic function.

Function Carnival helps students get a handle on confusing graphs lessons and helps them experiment to resolve misunderstandings. Through video, graphing, and replaying graphs as animations students ...