Solve the problem.The columns of I3 = 
are e1 = 
, e2 = 
, e3 = 
.Suppose that T is a linear transformation from ?3 into ?2 such that T( e1) = 
, T( e2) = 
style="vertical-align: -15.0px;" /> , and T( e3) = 
.Find a formula for the image of an arbitrary x = 
in ?3.
A.
T
= 
B.
T
= 
C.
T
= 
D.
T
= 
Answer: A
Mathematics
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f
= 
, local minimum
B. 
saddle point
C. f(6, 6) = 1,080, local maximum
D. f
= 
, local minimum
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Factor by grouping.18dx - 9dy - 12hx + 6hy
A. 3(3d - 2h)(2x + y) B. 3(3d + 2h)(2x - y) C. 3(3d - 2h)(2x - y) D. 3(3d + 2h)(2x + y)
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Identify the property that allows you to conclude that the triangles are congruent. Or, if such a conclusion cannot be made, answer "None."
A. None B. SAS C. ASA D. SSS
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Solve the equation.u2 + 16u + 47 = 0
A. -16 + 
B. 8 + 
C. -8 - 
, -8 + 
D. 8 - 
, 8 + 
Mathematics