Write the system of linear equations as a matrix equation, AX = B.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Integrate the function f over the given region.f(x, y) = 
+ 
over the trapezoidal region bounded by the x-axis, y-axis, line 
and line 
A. 30 B. 18 C. 46 D. 22
Mathematics
Solve the system using matrices. x + 7y = -23x + y = 34
A. (3, 7) B. (-2, 3) C. (7, 12) D. (12, -2)
Mathematics
Find the indicated derivative.Find y ''' if y = 2x sin x.
A. y ''' = - 2x cos x + 6 sin x B. y ''' = 4 cos x - 2x sin x C. y ''' = - 2x cos x - 6 sin x D. y ''' = 2x cos x + 6 sin x
Mathematics
Use properties to perform the calculations. Express answer in simplest form.
? 
A. 1
B. - 
C. - 1
D. 
Mathematics