Rationalize the denominator. 
A. 
B. 5
C. 489
D. 
Answer: D
Mathematics
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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)
Mathematics
Find the product. Use the FOIL method.(x + 4y)(-4x + 4y)
A. -4x2 - 12xy + 16y2 B. -4x2 - 12xy - 12y2 C. x2 - 12xy - 12y2 D. x2 - 12xy + 16y2
Mathematics
Determine the viewing window used. 
A. 
B. 
C. 
D. 
Mathematics
Factor.8z2 + 6z - 9
A. (8z + 1)(z - 9) B. (8z + 3)(z - 3) C. (2z - 3)(4z + 3) D. (2z + 3)(4z - 3)
Mathematics