#1 Points possible: 1. Total attempts: 6 The DingGnat Doorknob Company intends to sell a new line of square doorknobs. The price-demand function is p(x) = 87.5 - 1.95x. That is, p(x) is the price (in dollars) at which a knobs can be sold. a. How many knobs can be sold at a price of $60.20? knobs Preview b. Write an equation for the revenue function. R(I) = Preview #2 Points possible: 1. Total attempts: 6 The marketing research department for a company that manufactures and sells notebook computers established the following revenue and cost functions: R(x) = 52x - 2x2 C(z) = 28x + 54 where R(x) and C(x) are in millions of dollars. a. For what values of I will the company break even? I = Preview For parts b. and c. , since we are talking about production sales level, the domain of the profit function, P(x), is all x 2 0. b. For which production sales levels will a profit occur? Preview c. For which production/sales levels will a loss occur? Preview