Solve.7
- y2 = 21 y = x2 - 3
A. (- 
, 0), (
, 0), (- 
, 7), (
, 7)
B. (0, - 
), (0, 
), (7, - 
), (7, 
)
C. (- 
, 7), (
, 7)
D. (- 
, 0), (
, 0)
Answer: A
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D. 
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A. 
B. 
C. 
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A. 
B. 
C. 
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