According to the rational root theorem, what are all the potential rational roots of f(x) = 15x11 – 6x8 + x3 – 4x + 3?

A is the answer(:Step-by-step explanation:

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The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.