Solve the problem.The total-revenue and total-cost functions for producing x clocks are 
and 
, where 0 ? x ? 25,000. What is the maximum annual profit?
A. $2,890,000
B. $2,990,000
C. $3,090,000
D. $2,790,000
Answer: D
Mathematics
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Answer the question.If y = sin ?, what is csc ? in terms of y?
A. csc ? = 
B. csc ? = 
C. csc ? = 1 - y
D. csc ? = 
Mathematics
Solve the problem.If $3800 earned simple interest of $254.28 in 11 months, what was the simple interest rate? Round to the nearest tenth of a percent, when necessary.
A. 9.3% B. 7.3% C. 6.3% D. 8.3%
Mathematics
Simplify the given expression. Express answer with positive exponents.
A. x43/15 B. x15/7 C. x7/15 D. x25/18
Mathematics
Express the polynomial in descending order. If the polynomial is already in descending order, so state.2y2 - 6y4 + 3
A. 6y4 + 2y + 3 B. -6y4 + 2y2 + 3 C. -4y6 + 3 D. already in descending order
Mathematics