Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics
Factor completely, if possible.p2 - 8p + 15
A. (p + 3)(p + 5) B. (p - 3)(p + 5) C. (p - 3)(p - 5) D. (p - 15)(p - 1)
Mathematics
Factor by grouping.20x2 + 27x + 9
A. (20x + 3)(x + 3) B. (4x - 3)(5x - 3) C. (4x + 3)(5x + 3) D. Prime
Mathematics
Find the root.- 
A. - 
B. -4
C. 4
D. Not a real number
Mathematics