Answer the question.Find the direction in which the function is increasing or decreasing most rapidly at the point Po.f(x, y, z) = xy - ln(z), Po(1, 2, 2)
A. 
(4i + 2j - k)
B. 
(4i + 2j - k)
C. 
(4i + 2j - k)
D. 
(4i - 2j + k)
Answer: C
Mathematics
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Graph.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Write using the letter i, simplifying if possible: 
A. 2ix2
B. -2ix
C. -4ix2
D. 4ix2
Mathematics
Find the greatest common factor of the terms.64a8b4, 56a6b8
A. 448a8b8 B. 4a2b4 C. 8a8b8 D. 8a6b4
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -9x4 + 3x3 - 7x2 + 8x - 2
A. 0 or 2 positive; 0 negative B. 0, 2, or 4 positive; 0 negative C. 0 or 2 positive; 0, 2, or 4 negative D. 0, 2, or 4 positive; 0, 2, or 4 negative
Mathematics