Chapter 1.3, Problem 12E

To determine

(a)

To describe:

The fluctuation in the value of Canadian dollar from $1990$ to $2002$ and give specific function values in description.

To determine

(b)

To find:

The year when the Canadian dollar worth $80$ American cents.

To determine

(c)

To find:

The decrease in the value of the Canadian dollar from $1992$ to $1994$.

To determine

(d)

To find:

The ideal buy and sell dates and explain.