Eliminate the parameter.x = t2 + 1, y = t2 - 1
A. y = x2 - 2, x ? 1
B. y = x2 + 2, x ? 1
C. y = x + 2, x ? 1
D. y = x - 2, x ? 1
Answer: D
Mathematics
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? 9
A. 
B. 
C. 
? 
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A. f-1(x) = 
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