Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.4x2 + 16y2 = 64
A. x-axis
B. y-axis
C. origin
D. x-axis, y-axis, origin
E. none
Answer: D
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Solve the problem.Does the graph of the function y = 12x + 6 sin x have any horizontal tangents in the interval 
If so, where?
A. No
B. Yes, at x = 
C. Yes, at x = 
, x = 
D. Yes, at x = 
, x = 
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