Solve the equation by completing the square.x2 + 18x + 58 = 0
A. {-18 + 
}
B. {-9 - 
, -9 + 
}
C. {9 + 
}
D. {9 - 
, 9 + 
}
Answer: B
Mathematics
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Multiply.-0.01 × 4997.25
A. -499.725 B. -4997.25 C. -49.9725 D. -4.99725
Mathematics
Solve the problem.The cost of producing t units is C = 3t2 + 5t, and the revenue generated from sales is R = 4t2 + t. Determine the number of units to be sold in order to generate a profit.
A. t > 4 B. t > 6 C. t > 0 D. t > 5
Mathematics
Solve the polynomial equation in the complex numbers. x4 - 8x3 + 22x2 + 12x - 144 = 0
A. {-2, 4, 3 + 4i, 3 - 4i}
B. {2, -4, 3 + 3i, 3 - 3i}
C. {-2, 4, 3 + 3i, 3 - 3i}
D. {2, -4, 3 + 
, 3 - 
}
Mathematics
Solve the problem.Find where f'(x) = 0 if f'(x) = 3x3 + 17x2 - 6x.
A. x = 0, x = - 
, x = 6
B. x = 0, x = - 
, x = - 6
C. x = 0, x = 
, x = 6
D. x = 0, x = 
, x = - 6
Mathematics