Using the given coordinate, find the other coordinate that makes the ordered pair a solution of the equation.-2x + 8y = -8, ( 
,-1)
A. 0
B. 
C. 8
D. - 
Answer: A
Mathematics
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Find the domain of the function.f(x) = 7x2 + 8x - 1
A. x > 0 B. x < 0 C. All real numbers D. x ? 0
Mathematics
Find the domain of the composite function f?g.f(x) = 3x + 15,g(x) = x + 3
A. (-?, -5) or (-5, -3) (-3, ?) B. (-?, ?) C. (-?, -8) or (-8, ?) D. (-?, 8) or (8, ?)
Mathematics
Find the root.
A. Not real number B. 27 C. 9 D. 81
Mathematics
Solve the equation.92x ? 27(3 - x) = 
A. {-11}
B. {-8}
C. {10}
D. 
Mathematics