Answer the following question using the information provided: C=100+ 0.8(Yd); I = 50 What is the savings function? a) S 50+0.75(Yd) b) S-100 +0.2(Yd) c) S 100+ 0.25(Yd) d) S = -100+ 0.8(Yd)

The total profit from the sale of q sweatshirts is: P(q) = 5q – 0.005q2 – 450. a. Calculate the additional profit earned when 450 sweatshirts are sold. ________ b. Calculate the additional profit earned when 750 sweatshirts are sold.

Suppose that the manufacturer of a gas clothes dryer has found that when the unit price is p dollars, the revenue R (in dollars) is R(p) = -5p² + 10,000p. (a) At what prices p is revenue zero? (b) For what range of prices will revenue exceed $1,500,000? (a) At what prices p is revenue zero? The revenue equals zero when p is $ (Use a comma to separate answers, but do not use commas in any individual numbers.) (b) For what range of prices will revenue exceed $1,500,000? (Type your answer in interval notation. Round to the nearest cent as needed.).