Find a rectangular equation for the plane curve defined by the parametric equations.x = 
, y = 
, for t in (3, ?)
A. y = 1 - 3x2, x in (0, ?)
B. y = 
, x in (0, ?)
C. y = 3 + x2, x in (0, ?)
D. y = 1 + 3x2, x in (0, ?)
Answer: D
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