Chapter 5.4, Problem 20E

To determine

(a)

To find:

The formula for $P$ that describes the price during the first two quarters.

To determine

(b)

To find:

A formula for price $P$ as a function of $t$, the quarter, that describes the price throughout the third and fourth quarters.

To determine

(c)

To graph:

The price over the course of a year

To determine

(d)

To find:

A formula for price $P$ throughout the year as a piecewise defined function of $t$.