Solve the radical equation. Check all proposed solutions.
- 
= 3
A. x = 2, 38
B. x = -2
C. x = 2
D. x = 3, 8
Answer: A
Mathematics
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Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
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Solve the system of equations.4x + 2y - 3z = 82x + 4y + z = 366x + 2y - 2z = 18
A. 
B. 
C. 
D. 
Mathematics
Subtract.12 - (-1)
A. -11 B. 13 C. 11 D. -13
Mathematics
Find the domain of the function.f(x) = -4x + 6
A. {x|x ? -6} B. {x|x > 0} C. all real numbers D. {x|x ? 0}
Mathematics