Solve the polynomial equation in the complex numbers.x3 + 5x2 - 12x + 14 = 0
A. {1 + i, 1 - i, 7i}
B. {1 + i, 1 - i, -7}
C. {-7, 7}
D. {1 + i, 1 - i, 7}
Answer: B
Mathematics
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Solve the problem.The price for a product is given by p = 4050 - 0.5x2, where x is the number of units sold. How many units must be sold to give positive revenue?
A. 0 units < x < 45 units B. x > 90 units C. 0 units < x < 90 units D. x < 8100 units
Mathematics
Solve the problem.Find the value for x in the cube. Use exact values. 
3 ft
A. 3
ft
B. 9 ft
C. 3 ft
D. 3
ft
Mathematics
Solve the equation.
= 
A. {-21} B. {26} C. {51} D. {-51}
Mathematics
Solve the equation.
= 
A. x = 32 B. x = 4 C. x = 128 D. x = 16
Mathematics