Suppose that the output Q (in units) of a certain company is , where K is the capital expenditures in thousands of dollars and L is the number of labor hours. Find  and 

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B.
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E.

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Answer: A

Mathematics

Use the graph to complete the identity. = ? 

A. sec x B. cos x C. csc x D. sin x

Solve the problem using the amortization table when necessary.AMORTIZATION (PRINCIPAL AND INTEREST PER THOUSAND DOLLARS)The monthly payments on a $56,000 loan at 10% interest for 20 years is $540.40. How much of the first monthly payment will go toward interest?

A. $506.63 B. $466.67 C. $56.00 D. $54.04

Write the first four terms of the sequence.an = (-1)n(n + 9)

A. a1 = -10, a2 = 11, a3 = -12, a4 = 13 B. a1 = -10, a2 = -22, a3 = -36, a4 = -52 C. a1 = 10, a2 = 11, a3 = 12, a4 = 13 D. a1 = -10, a2 = -11, a3 = -12, a4 = -13

Add or subtract as indicated. + 

A.
B.
C.
D.