Suppose the Relationship Between the Price P, of a Product $\frac { d p } { d s } = - \frac { 1 } { 10 } ( s + 3 )$

question 35

Multiple Choice

Suppose the relationship between the price p, of a product and the weekly sales, s, of the product is given by the differential equation $\frac { d p } { d s } = - \frac { 1 } { 10 } ( s + 3 )$ Then

• A) as sales increase, the price increases.
• B) as the price increases the rate of change of the price also increases.
• C) the rate of the decrease of the price is proportional to the sales.
• D) s = 0 is a constant solution to this differential equation.
• E) all of these

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