Factor.5x2 - 14x - 24

A. (5x + 6)(x - 4)
B. (6x + 5)(x - 4)
C. (x + 5)(x - 4)
D. (x - 6)(x - 4)

Answer: A

Mathematics

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A.  = -  +  
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C.  =   -  
D.  = -  +  

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A. -52 B. -17 C. 9 D. -9

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A. (t + 4)(t2 + 16) B. (t + 4)(t2 - 4t + 16) C. (t - 64)(t2 - 1) D. (t - 4)(t2 + 4t + 16)

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Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 98t. During what interval of time will the rocket be higher than 

A. 0 sec < t < 4 sec B. 0 sec < t < 6 sec C. 8 sec < t < 10 sec D. 4 sec < t < 6 sec

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