Use rational exponents to simplify the expression. If rational exponents appear after simplifying, write the answer in radical notation.
A. 
B. 
C. x3
D. 
Answer: A
Mathematics
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Using Green's Theorem, calculate the area of the indicated region.The circle r(t) = (9 cos t)i + (9 sin t)j, 0 ? t ? 2 ?
A. 81? B. 9? C. 2? D. 18?
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/g2(x), x = 4
A. 
B. - 
C. - 
D. 
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Find the range of the function.y = 8x5
A. (-?, ?) B. [-8, ?) C. [8, ?) D. [0, ?)
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Determine which graph is nonplanar and indicate whether it contains a Utilities Graph or 
as a subgraph
Mathematics