Chapter 4.5, Problem 18E

To determine

(a)

To find:

The number of trees per acre when the constant $k$ is $4.1$ and the diameter of a tree of average size is $8$ inches.

To determine

(b)

To find:

The effect of multiplying the average size of a tree by a factor of $2$ has on the number of trees per acre.

To determine

(c)

To find:

The effect on $N$ on increasing the constant by $1$ and if $D$ remains same.