Graph the function.y = 2 - 3 sec 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.An upholsterer wants to reupholster 120 chairs for a banquet hall. If each chair needs 
pound of brass tacks, how many pounds of brass tacks are needed?
A. 360 pounds B. 36 pounds C. 4 pounds D. 40 pounds
Provide an appropriate response.Given that A(x) = C(x)/x , where A(x) is the average-cost function and C(x) is the total-cost function, find an expression for A'(x) and solve the equation A'(x) = 0 to find the minimum average cost.
A. A'(x) = 
= 0 ? xC(x) - C'(x) = 0 ? 
= A(x) = 
B. A'(x) = 
= 0 ? xC(x) - C'(x) = 0 ? 
= A(x) = C(x)
C. A'(x) = 
= 0 ? xC(x) - C'(x) = 0 ? 
= A(x) = 
D. A'(x) = 
= 0 ? xC'(x) - C(x) = 0 ? 
= A(x) = C'(x)
Suppose that the weekly sales volume y (in thousands of units sold) depends on the price per unit of the product according to 
where p is in dollars. What is the rate of change in sales volume when the price is $20? Round your answer to three decimal places.
?
A. 
B. 
C. 
D. 
E. 
Without graphing, classify the function as increasing or decreasing, and determine f(0).f(x) = 2.2(0.41)x
A. f(0) = 0.41; decreasing B. f(0) = 0.41; increasing C. f(0) = 2.2; decreasing D. f(0) = 2.2; increasing