Find the domain of the rational function.f(x) = 
A. {x|x ? 3, -7, -5}
B. {x|x ? 3, -7}
C. {x|x ? -3, 7}
D. all real numbers
Answer: B
Mathematics
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Perform the exponentiation.(-5)3
A. 15 B. 125 C. -15 D. -125
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From the list below find the expression, identical for the given.
?
?
A. 
B. 
C. 
D. 
E. 
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Solve.x2 = 64
A. 8 B. ±8 C. 32 D. ±9
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Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1
Mathematics