Solve the equation by the method of your choice. Simplify irrational solutions, if possible.8x2 + 30x + 14 = -11

A.
B.
C.
D.

Answer: C

Mathematics

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Solve for n in the following.n2 = 9

A.  or - 
B.  or - 
C. 3 or ?3
D. 81 or ?81

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Perform the indicated operation. Simplify, if possible. - 

A.
B.  
C.  
D.  

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Mathematics

Multiply.3a2b9(-6a8b8 - 7b5 + 4a)

A. -18a8b8 - 21b5 + 12a B. -18a10b17 - 7b5 + 4a C. -18a10b17 - 21a2b14 + 12a3b9 D. -18a10b17 - 21b14 + 4a

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Find ?y and f '(x) ?x for the given function.y = f(x) = , x = 4, and ?x = 0.6

A. -0.03261; -0.0375 B. 0.18478; -0.075 C. -0.03261; -0.15 D. 0.05435; -0.075

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Mathematics