Find the product.

A. x2 + x -  
B. x2 + x + 
C. x2 + x -  
D. x2 + x -  

Answer: D

Mathematics

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Solve the problem.Scientists compare intensity levels of two sounds by taking their difference:  Write the expression on the right side as the logarithm of a single quantity.

A. log (I1I2/Io2)10 B. log (I2/I1)10 C. log (I2-I1)10 D. log (I1/I2)10

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Mathematics

Find the absolute maxima and minima of the function on the given domain.  on the trapezoidal region with vertices        and  

A. Absolute maximum: 9 at    absolute minimum: 5 at  
B. Absolute maximum: 8 at    absolute minimum: 0 at  
C. Absolute maximum: 10 at    absolute minimum: 5 at  
D. Absolute maximum: 9 at    absolute minimum: 0 at  

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Mathematics

Factor the trinomial.8y2 + 18y + 9

A. (8y + 3)(y + 3) B. (4y + 3)(2y + 3) C. (8y + 1)(y - 9) D. (4y - 3)(2y - 3)

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Mathematics

Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?

A.
X = 

B.
X = 
C.
X = 
D.
X = 

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Mathematics