Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. 
B. - 
C. 
D. - 
Answer: A
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Perform the division.
A. -8x3 - 3x2 - 5 - 
B. 8x3 + 3x2 + 5 + 
C. 8x3 + 3x2 + 5
D. 8x3 + 11x2 + 5
A division of Chapman Corporation manufactures a pager. The weekly fixed cost for the division is $20,000, and the variable cost for producing x pagers/week is 
dollars. ?
The company realizes a revenue of 
dollars from the sale of 
pagers/week.
?Find the level of production that will yield a maximum profit for the manufacturer. (Hint: Use the quadratic formula.)
?
A. 3,209 pagers/week
B. 3,333 pagers/week
C. 2,983 pagers/week
D. 3,283 pagers/week
Solve the problem.A certain lake is 1400 feet deep. A nearby lake is 500 feet deep. Write a simplified ratio of the depth of the first lake to the depth of the second lake.
A. 
B. 
C. 
D. 
Complete the identity.
= ?
A. cot 6x B. 0 C. tan 2x tan 6x D. -tan 6x