Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 6 + 
+ 
+ 
B. 6 - 
+ 
- 
C. 6 - 
+ 
- 5
D. 6 + 
+ 
+ 5
Answer: A
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Find the length of the curve.x = 
(t2 + 6) 3/2, y = 6t, 0 ? t ? 1
A. 20
B. 
C. 
D. 