Solve the rational inequality.
? 0
A. {8}
B. (-?, 8) ? (8, ?)
C. (-?, ?)
D. ?
Answer: A
Mathematics
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Use DeMoivre's Theorem to write the expression in rectangular form.(1 + i)20
A. 1024i B. -1024 C. -1024i D. 1024
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Find the real solutions, if any, of the equation. Use the quadratic formula.4x = 1 + 
A. {- 
, 
}
B. {
, 
}
C. {
}
D. no real solution
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Use the limit rules to determine the limit.
f(x) , where f(x) = 
A. 9 B. 121 C. -24 D. -23
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Factor.16rs2 - 25rt4
A. (16rs + rt2)(s - 25t2) B. (4rs - 5rt2)2 C. r(4s + 5t2)(4s - 5t2) D. r(4s + 5t2)2
Mathematics