Use graphical methods to find all real solutions to the following equation. Express solutions rounded to the nearest hundredth.x4 - 7x2 + 12 = 0
A. {1.73, -1.73, 2.00, -2.00}
B. {1.73, 2.00}
C. {3, -3, 4, -4}
D. {-1, 2.29, -2.29}
Answer: A
Mathematics
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?
A. 
B. ?
C. ?
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Mathematics