Solve the equation.2x3 = ?54
A. ?3
B. ?3
C. 3
D. 3
Answer: B
Mathematics
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Solve the problem.The sum of three numbers is -4. The first, minus the second, plus 3 times the third, is 2. The third, plus 2 times the first, plus the second, is -1. What are the numbers?
A. 3, 3, -5 B. No solution C. -3, 5, 2 D. 3, -5, -2
Mathematics
Use the comparison test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Solve the quadratic equation and express all nonreal complex solutions in terms of i.x2 + 80 = 0
A. {±4i}
B. {±i
}
C. {±20i}
D. {±4i
}
Mathematics
Sketch the graph of f.f(x) = 2x + 5
A. 
B. 
C. 
D. 
Mathematics