Find the area of the rectangle or square. 
A. 22.8 mi2
B. 11.4 mi2
C. 64.98 mi2
D. 32.49 mi2
Answer: D
Mathematics
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Solve the problem.Find all points on the curve x2y + xy2 = -1024 where the tangent line is vertical, that is, where 
= 0.
A. (16, 0) B. (0, -8) C. (16, -8) D. (-16, 8)
Mathematics
Simplify. Assume that each variable is nonnegative.
A. 
B. 
C. 1
D. 
Mathematics
Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (2, 1) for ln x + xy2 + ln y = 0.
A. -1
B. 
C. 1
D. - 
Mathematics
Give the coordinates of the circle's center and its radius.
?
?
A. 
B. ?
C. ?
D. ?
E. none of these
Mathematics