Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 9xy
B. 3xy
C. 9xy
D. 9xy
Answer: D
Mathematics
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Decide whether 
is positive, negative, or zero.
Mathematics
Use the shape of the graph to name the function.
A. Square root function B. Absolute value function C. Identity function D. Constant function
Mathematics
The sequence is defined recursively. Write the first four terms.a1 = 135; an+1 = (an)
A. a1 = 135, a2 = 45, a3 = 15, a4 = 5 B. a1 = 135, a2 = 405, a3 = 1215, a4 = 3645 C. a1 = 135, a2 = 67.5, a3 = 33.75, a4 = 16.875 D. a1 = 135, a2 = 105, a3 = 75, a4 = 45
Mathematics
For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(-3, 3), (-1, 2), (1, -7), (6, 8)}
A. Yes B. No
Mathematics