The annual number units demanded, x, of a product (in thousands) by consumers at unit price p, in dollars per unit, is modeled by the formula

P ² + x = 8

(a) Write x explicitly as a function of p:

x = 8-p^2

(b) What is the practical domain of the function?

(c) How many units will be sold at a unit price of $1? 7 units.

(d) At what price(s) is /are 1890 units sold? $.

Answer rating: 100% (QA)

a We have xp 2 8 so that on adding p 2 to both the sides we get xp 2 p 2 8p 2 or x 8p 2 b Since x i... View the full answer