Factor completely.2x3 + 2x2 - 40x

A. (x - 4)(2x2 + 10)
B. (2x2 + 8x)(x - 5)
C. 2x(x - 4)(x + 5)
D. 2x(x + 4)(x - 5)

Answer: C

Mathematics

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Without graphing, determine whether the graph of the quadratic function opens up or opens down. Also, determine of the graph will be wider or narrower than the graph of y = x2.f(x) = 3x + x2 - 6

A. down, wider B. down, narrower C. up, wider D. up, narrower

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Find the integral.

A. 2 + C
B. 2 + C
C. 2 + C
D. 2 + C

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Combine the following, if possible. +  +  + 

A.  +  + 18
B. 65 + 18
C. 11 +  +  
D. 11 + 18

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Subtract.-32 - 49

A. 17 B. 81 C. -81 D. -17

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