A mathematical function is a formula that takes an input ... How to Find the Y-Intercept of a Line of a Graph in Excel on a Mac How to Find the Y-Intercept of a Line of a Graph in Excel on ...

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.