Multiply.(7y - 8)(49y2 + 56y + 64)
A. 343y3 - 512
B. 343y3 + 512
C. 343y3 + 448y2 - 512
D. 49y3 + 512
Answer: A
Mathematics
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A. 2 B. 30 C. -30 D. -2
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Assume that all variables are implicit functions of time t. Find the indicated rate.y = 4x2 - 6x; dx/dt = 0.5 when x = 8; find dy/dt.
A. 58 B. 29 C. 1 D. 8
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Simplify.
A. 
B. x2
C. -x2
D. - 
Mathematics