### Home > CALC > Chapter 6 > Lesson 6.3.1 > Problem 6-85

6-85.

As x increases, the area increases as well. So the area function is always increasing.

But, at the beginning area increases at a greater rate than at the end.

Problem 6-84 suggests that we examine the natural logarithm function, *y* = ln(*x*).

Why or why not?

Use the eTool below to visualize the problem.

Click the link at right for the full version of the eTool: Calc 6-85 HW eTool