Evaluate the following expression.
?
?
A. 81
B. 1
C. -1
D. 0
E. - 1296
Answer: B
Mathematics
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A. 30
B. 45
C. 90
D. 
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Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. all real numbers
B. {x| x ? 2}
C. {x | x ? 2}
D. 
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Solve the problem.Decide which of the rational functions might have the given graph. 
A. R(x) = 
B. R(x) = 
C. R(x) = 
D. R(x) = 
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Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 20x
A. 100; 
2
B. 400; 
2
C. 0; 
2
D. 100; 
2
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