In this problem, cost, revenue, and profit are in dollars and x is the number of units. Suppose that the total revenue function is given by 
, and that the total cost function is given by 
. Find ![]()
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, and explain what it predicts. Round your answer to two decimal places.
?
A. 130.00. The profit will increase by approximately $130.00 from the sale of the 101st item.
B. 40.00. The profit will increase by approximately $40.00 from the sale of the 101st item.
C. 10.00. The profit will increase by approximately $10.00 from the sale of the 101st item.
D. 60.00. The profit will decrease by approximately $60.00 from the sale of the 101st item.
E. 90.00. The profit will decrease by approximately $90.00 from the sale of the 101st item.
Answer: B
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Answer the following statement true (T) or false (F)
Solve the problem.Let P(x, y) be a point on the graph of y = x2 - 2. Express the distance, d, from P to the origin as a function of the point's x-coordinate.
A. d(x) = 
B. d(x) = 
C. d(x) = 
D. d(x) = 
Write the first five terms of the arithmetic sequence. ? a1 = 8, d = 8 ?
A. 16, 24, 32, 40, 8 B. 8, 16, 24, 32, 48 C. 8, 16, 24, 32, 40 D. 16, 24, 32, 40, 48 E. 8, 0, 24, 32, 40
Evaluate the integral which is given in cylindrical or spherical coordinates.
A. 
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B. 
?
C. 
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D. 
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