Express the sum in sigma notation.1 - 4 + 16 - 64 + 256
A. 
4k + 1
B. 
4k
C. 
4k
D. 
Answer: B
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Find the horizontal asymptote, if any, of the rational function.f(x) = 
A. y = 0
B. y = 
C. y = 
D. None
State the instructions of the function in words.f(x) = 
A. Subtract the independent variable from 4. Divide 9 by the result. B. Multiply the independent variable by 9. Divide the result by 4. Subtract the independent variable from the result. C. Subtract the independent variable from 4. Divide 9 by the result. Multiply the result by the independent variable. D. Multiply the independent variable by 9. Subtract the independent variable from 4. Divide the first result by the second.
Divide and reduce to lowest terms.
÷ 
A. 
B. 
C. 
D. 
Solve by isolating the absolute value and using the absolute value property.
+ 2 = 9
A. {
, - 
}
B. {- 
, 
}
C. ?
D. {
, - 
}