Find dy for the given values of x and ?x.y = x3 - 4x2 + 2x + 1; x = 8, ?x = -0.3
A. 39
B. -39
C. -37
D. 37
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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A. Not a real number B. 48.6 C. 3 D. 4
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Find the exact value of y, or state that y is undefined.y = cot-1 
A. 
B. 0
C. 
D. 
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