Find the domain of the rational function.f(x) = 
A. domain of f: (-?, 4) ? (4, ?)
B. domain of f: (-?, 0) ? (0, ?)
C. domain of f: (-?, ?)
D. domain of f: (-?, -4) ? (-4, ?)
Answer: D
Mathematics
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A. Domain: (0, ?); Range: (-?, ?) B. Domain: (7, ?); Range: (-?, ?) C. Domain: (-?, ?); Range: (7, ?) D. Domain: (-?, ?); Range: (0, ?)
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Find an equation for the described linear function.Through 
and perpendicular to 
A. y = 8x - 
B. y = 8x + 
C. y = 
x + 
D. y = -8x + 
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Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
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Graph the inequality.y ? 
x2 + 3x + 6 
A. 
B. 
C. 
D. 
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