Simplify the complex fraction.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
Mathematics
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At what points is the given function continuous?f(x, y) = 
A. All (x, y) such that 2x + 2y ? 0 B. All (x, y) such that x + y ? 0 C. All (x, y) such that 2x + 2y ? 0 D. All (x, y)
Mathematics
Use the ratio test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
A. 24y(y + 4)
B. 
C. 
D. 
Mathematics
Provide an appropriate response.If a has exactly one real square root, what must be true of a?
A. a is equal to zero B. a is nonnegative C. a is negative D. a is positive
Mathematics