Multiply.(9x - 4)2
A. 9x2 + 16
B. 81x2 - 72x + 16
C. 9x2 - 72x + 16
D. 81x2 + 16
Answer: B
Mathematics
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= x
A. 
B. {-2}
C. 
D. {2}
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Identify the graph of the rational function.f(x) = 
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B. 
C. 
D. 
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Find the exact value of y, or state that y is undefined.y = tan-1(-
)
A. - 
B. - 
C. 
D. 
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