Use polar coordinates and L'Hopital's Rule to find the limit.
?
?
A. 
B. ?2
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 6x6.5
D. 
Mathematics
Determine whether the equation is a function.y2 + x = 9
A. function B. not a function
Mathematics
Perform the indicated operations.(-9x2y - xy) + (3x2y + 7xy)
A. 12x2y + 6xy B. -6x2y + 8xy C. -6x2y + 6xy D. 12x2y + 8xy
Mathematics
Choose the line that most closely resembles the graph of the given equation.y = -1
A. 
B. 
C. 
D. 
Mathematics