Provide an appropriate response.
The cost function for producing a new book is C(x) = 8.5x + 1200. The average cost for producing this book is A(x) = 
. If 150 books are produced, what is the average cost of producing this book?
A. $16.50
B. $12.50
C. $14.50
D. $18.50
Answer: A
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y) = xey - ln(x), P0(2, 0)
A. 
i + 
j
B. 
i
C. 
i + 
j
D. 
i + 
j
Use the formula R - C = P; where R represents a company's revenue, C represents a company's cost, and P represents a company's profit.At the end of the third quarter of fiscal year 2007, a wireless phone company incurred costs of 
Their net profit for the year was 
What was the wireless phone company's revenue for this quarter?
A. $19,452,000,000 B. $19,652,000,000 C. $12,746,000,000 D. $19,752,000,000
Perform the operation and leave the result in trigonometric form.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Use the elimination method to solve the system.x + y = 3x - y = 5
A. (-4, 0) B. (4, -1) C. (3, 0) D. No solution