Simplify the expression. Assume that all variables represent nonnegative real numbers.3 - 9

A. -6
B. -6
C. 12
D. -27

Answer: B

Mathematics

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Solve the initial value problem.Differential Equation:   = (3t2 + 2t)i + (4t3- 6)jInitial Condition:  r(0) = -9j

A. r(t) = (t3 + t2)i + (t4 - 9)j B. r(t) = (-t3 - t2)i + (12t2 - 9)j C. r(t) = (t3 + t2)i + (t4- 6t - 9)j D. r(t) = (t3 + t2)i + (t4)j

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Mathematics

Find the product.

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

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Mathematics

Find the exact solutions to the quadratic equation, using a method of your choice.x2 + x +  = 0

A.
B.
C. - 
D. , - 

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Mathematics

Graph the function. ? ?

A.

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B.

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C.

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D.

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Mathematics