Chapter 9.6, Problem 4P

To determine

(a)

To describe:

The interaction of the species, the absence of the each other species, whether it is harmful each other.

To determine

(b)

To find:

Whether x and y are increasing or decreasing if $x=2$ and $y=1$.

To determine

(c)

To find:

The differential equation involving $\frac{dy}{dx}$.

To determine

(d)

To draw:

The slope field for the differential equation involving $\frac{dy}{dx}$.

To determine

(e)

To draw:

The trajectory starting at point $x=2$, $y=1$ on the slope fieldand to describe the population changes as time increases.