Solve the equation. -  = 

A. {66}
B. {42}
C. {-11}
D. {11}

Answer: D

Mathematics

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Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 7j,w = i + j

A. v1 = 8i + 8j, v2 = -6i + 6j
B. v1 = 4i + 4j, v2 = 3i - 3j
C. v1 = 4i + 4j, v2 = -3i + 3j
D. v1 = i + j, v2 = - i + j

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Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 6x2 + 2, x ? 0

A. f-1(x) =  
B. Not one-to-one
C. f-1(x) = 
D. f-1(x) = 

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Factor completely.15a2b - 25a2b4 - 10a5b3

A. 5ab(3 - 5b3 - 2a3b2) B. 5a2b3(3 - 5b - 2a3) C. 5a5b(3 - 5b3 - 2b2) D. 5a2b(3 - 5b3 - 2a3b2)

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Mathematics

Write as a subtraction problem and evaluate.-3x added to the difference of 5x and -15x

A. -3x + [5x - (-15x)]; -13x B. -3x + [5x - (-15x)]; -23x C. -3x + [5x - (-15x)]; 17x D. -3x + [5x - (-15x)]; 7x

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Mathematics