Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. 
B. 
C. AB is not defined.
D. 
Answer: D
Mathematics
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Solve the equation in the complex number system.x2 + 144 = 0
A. {12} B. {12i} C. {-12, 12} D. {-12i, 12i}
Mathematics
Solve the quadratic inequality by sketching the graph of the corresponding quadratic function.x2 - 9x + 8 < 0
A. Solution: [1, 8]
B. Solution: (1, 8)
C. Solution: (-?, 1) ? (8, ?)
D. Solution: ?
Mathematics
Solve the inequality. Graph the solution set and write the solution set in set-builder notation.3x2 + 16x - 12 ? 0
A. 
B. 
C. 
D. 
Mathematics
Find the difference. Subtract horizontally.(12x + 17) - (-8x + 20)
A. 17x B. 4x + 37 C. 20x + 37 D. 20x - 3
Mathematics