Solve the problem.The annual revenue and cost functions for a manufacturer of grandfather clocks are approximately 
and 
, where x denotes the number of clocks made. What is the maximum annual profit?
A. $753,333
B. $853,333
C. $553,333
D. $653,333
Answer: C
Mathematics
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Find the angle between u and v in radians.u = -3i - 5j, v = 3i + 5j + 3k
A. 1.59 B. -1.10 C. 2.67 D. 2.03
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 6
C. b
D. 
Mathematics
From a thin piece of cardboard 108 in. by 108 in., square corners are cut out so that the sides can be folded up to make a box. What dimensions will yield a box of maximum volume? What is the maximum volume?
What will be an ideal response?
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 = 14
A. {±7}
B. {
}
C. {±
}
D. {±8}
Mathematics