If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 
Answer: C
Mathematics
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Find the first three nonzero terms of the Maclaurin expansion of the given function.f(x) = ex + e-x
A. 2 + x2 + 
x4 + ...
B. x - x2 + x3 - ...
C. 2x + 
x3 + 
x5 + ...
D. x + 
x3 + 
x5 + ...
Mathematics
Solve. Round your answer to three decimal places if necessary.7x = 22
A. 1.588 B. 3.143 C. 0.63 D. 2.145
Mathematics
Solve. Remember to insert units when writing your answer.One bag of cookies weighs 
oz. How many pounds will 3 bags weigh?
A. 1
lb
B. 1
lb
C. 
lb
D. 21
lb
Mathematics
Find the vertex, the focus, and the directrix of the parabola.x2 - 8x - 8y + 8 = 0
A. V: 
; F: (4, 1), D: y = - 
B. V: (- 4, - 1); F: (4, 1); D: y = -3
C. V: 
; F: (4, -3); D: y = 1
D. V: 
; F: (4, 7); D: y = 9
Mathematics