Find two sets of parametric equations for the given rectangular equation.y = 2x + 1
A. x = t, y = 2t + 1; x = 2t, y = t + 1
B. x = t, y = 2t + 1; x = t, y = 
+ 1
C. x = 2t, y = t + 1; x = 
, y = t + 1
D. x = t, y = 2t + 1; x = 
, y = t + 1
Answer: D
Mathematics
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Simplify the polynomial by combining like terms.- 
x2 - 
x + 
- 
x2 + 
x - 
A. 
x2 - 
x - 
B. - 
x6 + 
C. - 
x4 + 
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A. ? = 3
3/2
B. ? = 
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D. ? = 
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Find the area of the region specified in polar coordinates.The region enclosed by the curve r = 3 sin 2?
A. 
?
B. 
?
C. 
?
D. 
?
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