Provide an appropriate response.Is x4 - 81 = (x2 - 9)(x2 + 9) factored completely? If not, factor completely.
A. Yes.
B. No. x4 - 81 =(x - 3)(x + 3)
C. No. x4 - 81 =(x - 3)2(x + 3)2
D. No. x4 - 81 =(x - 3)(x + 3)(x2 + 9)
Answer: D
Mathematics
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A. slope is - 
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