Chapter 4.5, Problem 32E

(a)

To determine

To prove: The function $y=x+\ln x$ and $y=\ln 5x$ are increasing for $x>0$, where the graph of the function is given below:

(b)

To determine

The point of intersection of the graphs $y=x+\ln x$ and $y=\ln 5x$ is given below.