Find the maximum value of Q(x) subject to the constraints xTx = 1 and xTu = 0, where u is a unit eigenvector corresponding to the greatest eigenvalue of the matrix of the quadratic form.Q(x) = 14
+ 14
+ 18
+ 26x1x2 + 18x1x3 + 18x2x3
A. 1
B. 9
C. 36
D. 16
Answer: B
Mathematics
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Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = 
, g(x) = 8
B. f(x) = 
, g(x) = 8x + 8
C. f(x) = 
, g(x) = 8x + 8
D. f(x) = 8, g(x) = 
Mathematics
Factor the trinomial completely.8x4 + 17x2 - 21
A. (8x2 + 3)(x2 - 7) B. (8x2 + 7)(x2 - 3) C. (8x2 - 7)(x2 + 3) D. prime
Mathematics
Solve the problem.Under typical conditions, 1
ft of snow will melt to 2 in. of water. To how many inches of water will 5
ft of snow melt?
A. 7
in.
B. 8
in.
C. 7
in.
D. 11 in.
Mathematics
Differentiate.y = 
A. 
B. 
C. 
D. 
Mathematics