Solve the inequality.-20x + 20 ? -4(4x - 9)
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Answer: A
Mathematics
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Find the domain and range of the inverse of the given function.f(x) = 
, x ? 0
A. Domain: (-?, 0}; range: [-5, 0) B. Domain: (0, 5]; range: [0, ?) C. Domain and range: [0, ?) D. Domain: [0, ?); range: (0, 5]
Mathematics
Solve the equation.log2 3 - log2 x = 4
A. 
B. 
C. 
D. 
Mathematics
Find the domain of f.f(x) = 
A. {x | x ? 8} B. {x | x ? -8} C. All real numbers D. {x | x ? ±2}
Mathematics
Add or subtract.0.41 + (-3.169)
A. -3.479 B. -2.759 C. -3.579 D. 1.299
Mathematics