5) Let the demand function for a product be given by the function D(q)=−1

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5) Let the demand function for a product be given by the function D(q)=−1.9q+200D(q)=-1.9q+200, where q is the quantity of items in demand and D(q) is the price per item, in dollars, that can be charged when q units are sold. Suppose fixed costs of production for this item are $2,000 and variable costs are $5 per item produced. If 52 items are produced and sold, find the following:

 

A) The total revenue from selling 52 items (to the nearest penny).
Answer: $ 

B) The total costs to produce 52 items (to the nearest penny).
Answer: $ 

C) The total profits to produce 52 items (to the nearest penny. Profits may or may not be negative.).
Answer: $ 

 

6) Find the area of a triangle bounded by the y axis, the line f(x)=9−3/4x, and the line perpendicular to f(x) that passes through the origin.

Area =