Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. ?
B. 1
C. -1
D. 0
Answer: D
Mathematics
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Divide.
A. a84 B. 84 C. a12 D. a4
Mathematics
Find the midpoint of the segment having the given endpoints.(9, -2) and (2, 2)
A. (7, -4)
B. (11, 0)
C. 
D. 
Mathematics
Use a calculator to give the value to the nearest degree.? = sin-1(0.6561)
A. -41° B. 44° C. 39° D. 41°
Mathematics
Evaluate.C(10, 2)
A. 5 B. 45 C. 22 D. 1,814,400
Mathematics