Solve the equation by the method of your choice. Simplify irrational solutions, if possible.
- 
r + 
= 0
A. {-2, 2}
B. 0
C. {-2}
D. {2}
Answer: D
Mathematics
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Write the expression in lowest terms.
A. 1
B. 4
C. 
D. 
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Rationalize the denominator.
A. 
B. 
C. 
D. 
- 
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Give the domain and range for the rational function. Use interval notation.f(x) = - 
A. Domain: (-?, -4) ? (-4, ?); Range: (-?, 0) B. Domain: (-?, 4) ? (4, ?); Range: (-?, 0) C. Domain: (-?, 4) ? (4, ?); Range: ( 0, ?) D. Domain: (-?, 4) ? (4, ?); Range: (-?, 2)
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Determine whether f is a geometric sequence.
A. Yes B. No
Mathematics