Chapter 4.4, Problem 64E

(a)

To determine

The nature of $S\text{'}$ and $S\text{'}\text{'}$ for the variable S that represents the total sales in a week for a particular product with the rate of change of sales is increasing.

(b)

To determine

The nature of $S\text{'}$ and $S\text{'}\text{'}$ for the variable S that represents the total sales in a week for a particular product with the rate of change of sales is constant.

(c)

To determine

The nature of $S\text{'}$ and $S\text{'}\text{'}$ for the variable S that represents the total sales in a week for a particular product with the sales are steady.

(d)

To determine

The nature of $S\text{'}$ and $S\text{'}\text{'}$ for the variable S that represents the total sales in a week for a particular product with the sales decreasing at a slower rate.