Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 1
D. 
Answer: A
Mathematics
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Use the Ratio Test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -3, v '(2) = -4.
at x = 2
A. - 
B. - 10
C. 
D. 
Mathematics
Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain.
? 
= x
What will be an ideal response?
Mathematics
Find the center-radius form of the circle described or graphed.
A. (x - 2)2 + (y + 1)2 = 9 B. (x + 2)2 + (y - 1)2 = 9 C. (x + 2)2 + (y - 1)2 = 3 D. (x - 2)2 + (y + 1)2 = 3
Mathematics