Add or subtract. Simplify by combining like radical terms, if possible. Assume all variables and radicands represent nonnegative numbers.2 
+ 2 
A. 14x
B. 7 
C. 2 
D. 14 
Answer: D
Mathematics
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Determine whether the sequence is geometric.1, 
, 15, 15
, . . .
A. Geometric B. Not geometric
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Use the graph to determine whether the function is one-to-one.
A. No B. Yes
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Use the Gauss-Jordan method to solve the system of equations.
A. x = -3, y = -3 B. x = -3, y = 3 C. x = 3, y = -3 D. No solution
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Write the expression in interval notation. Graph the interval.-7 ? x
A. [-7, ?)
B. (-?, -7]
C. [-?, -7)
D. (-7, ?)
Mathematics