Review question

Can we show the function $(2x+1)/(x^2-1)$ can take all real values? Add to your resource collection Remove from your resource collection Add notes to this resource View your notes for this resource

Ref: R9329

Question

Prove that, for real values of $x$, the function $\frac{2x+1}{x^2-1}$ can take all real values. Sketch the graph of the function, and prove that it has a point of inflection between $x=-1$ and $x=+1$.