👉 Learn how to graph exponential functions involving horizontal shift. An exponential function is a function that increases ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

If \(f(x) = x^2\), then \(af(x) = a(x^2)\). This tells us that we need to multiply each of the \(y\) coordinates on the graph by \(a\) in order to stretch the original graph. Looking at some ...