Solve the radical equation. Check all proposed solutions.
= x
A. x = - 5
B. x = -3, 10
C. no solution
D. x = 10
Answer: D
Mathematics
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Perform the operations. 
A. 0 B. Undefined C. 8 D. 1
Mathematics
Decide whether or not the set is closed under multiplication.{Whole numbers}
A. Closed B. Not closed
Mathematics
Find the domain of the composite function f?g.f(x) = 
,g(x) = x + 2
A. (-?, ?) B. (-?, -7) or (-7, -2) or (-2, ?) C. (-?, -7) or (-7, ?) D. (-?, -9) or (-9, ?)
Mathematics
Determine whether the given ordered pair is a solution to the system of equations.(4, 6)4x = -10 - y2x = 16 - 4y
A. No B. Yes
Mathematics