Find all solutions.x3 + 2x2 - x - 2 = 0

A. {1, -2, 2}
B. {-1, 1, -2}
C. {4}
D. {-2, 2}


Answer: B

Mathematics

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Write the sum without sigma notation and evaluate it.

A. 2 cos ? + 2 cos  + 2 cos  + 2 cos  = 3 + 
B. 2 cos ? + 2 cos  + 2 cos  + 2 cos  = -2 +  + 
C. 2 cos ? + 2 cos  + 2 cos  + 2 cos  = -1 + 
D. 2 cos ? + 2 cos  = -2 + 

Mathematics

Evaluate the line integral along the curve C.ds, C is the curve r(t) = (5 - 2t)i + 2tj - 1tk , 0 ? t ? 1

A.
B. - 
C.
D. - 

Mathematics

A horizontal strategic alliance is a cooperative partnership between firms

A. outside the value chain. B. across the value chain. C. at the same stage of the value chain. D. at any point within the value chain.

Mathematics

Evaluate the function as indicated.f(x) = log xf(10,000,000)

A. 6 B. 10 C. 8 D. 7

Mathematics