Chapter 1.2, Problem 18P

(a)

To determine

The initial value problem for $Q\left(t\right)$.

(b)

To determine

The amount of chemical in the pond after 1 year.

(c)

To determine

The initial value problem that describe the new given situation.

(d)

To determine

The amount of chemical remains in the pond after one additional year.

(e)

To determine

The time it took for $Q\left(t\right)$ reduction to 10 g.

(f)

To determine

To plot: The graph of $Q\left(t\right)$ versus t for 3 years.