Find the curvature ? and radius of curvature R for the curve at the given point.y = sin 2x, 
A. ? = 
, R = 8
B. k = 4, R = 
C. ? = 2, R = 
D. ? = 
, R = 4
Answer: D
Mathematics
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Find the center and the radius of the circle.x2 + y2 - 4x = -12y - 36
A. (2, -6); r = 3 B. (3, -7); r = 2 C. (2, -6); r = 2 D. (5, -6); r =2
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Write the expression as a single trigonometric function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Rewrite without rational exponents, and simplify, if possible.x1/8
A. x-8
B. 
C. 
D. 
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