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. - 
B. 
C. -1
D. 1
Answer: A
Mathematics
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Find the formula for the function.Express the length d of a square's diagonal as a function of its side length x.
A. d = x
B. d = x
C. d = x
D. d = 2x
Mathematics
Use logic to solve the problem.If it takes 6 minutes to hard-boil 3 goose eggs when dropped into boiling water, how long will it take to hard-boil 6 goose eggs?
What will be an ideal response?
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Transform the equation by rotating the axes through the given angle. Identify the curve.x2 - xy + y2 = 5; ? = 45°
A. 
+ 
= 1; ellipse
B. x'2 + y'2 = 25; ellipse
C. 
+ 
= 1; ellipse
D. x'2 - y'2 = 5; hyperbola
Mathematics
Simplify the radical.
A. 
B. 
C. 
D. 
Mathematics