Simplify.

A.  
B.
C.  
D.  

Answer: C

Mathematics

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Evaluate the integral.

A. x + 11 ln + C
B. x + 9 ln + C
C. (x2/2 + 10x) ln + C
D. -  + C

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Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 6x - 7 = 0

A. Two different real-number solutions B. Two different imaginary-number solutions C. One real solution

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Solve for the indicated variable.A = h(a + b), for a

A. a = 
B. a = 
C. a = 
D. a = 

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Find the equation of the tangent line to the curve when x has the given value.f(x) = x2 + 5x; x = 4

A. y = 13x - 16
B. y = -  +  
C. y =  + 
D. y = -39x - 80

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Mathematics