Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and 
f(x) = 3(4x) - 48
A. {2}; (-?, 2); [2, ?)
B. {-2}; (-?, -2); [-2, ?)
C. {2}; [2, ?); (-?, 2)
D. {2}; (-?, 2]; (2, ?)
Answer: A
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Evaluate the spherical coordinate integral.
A. 
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B. 
?2
C. 
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D. 
?2
A market analyst working for a small-appliance manufacturer finds that if the firm produces and sells x blenders annually, the total profit (in dollars) is
?
?
Graph the function P in an appropriate viewing rectangle and use the graph to answer the following questions.
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(a) When just a few blenders are manufactured, the firm loses money (profit is negative). (For example, 
, so the firm loses $283.30 if it produces and sells only 10 blenders.) Approximately how many blenders must the firm produce to break even? Round your answer to the nearest whole number.
?
(b) Does profit increase indefinitely as more blenders are produced and sold?
?
(c) If not, what is the largest possible profit the firm could have? Please round the answer to the nearest dollar.
?
What will be an ideal response?
Multiply.2 ? (-1) ? (-8) ? (-2)
A. -32 B. -4 C. 18 D. 32
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for x = 40? Round your answer to the nearest cent.
A. $445.21 B. $4062.50 C. $3737.50 D. $12.50