According to the rational roots theorem, which statement about f(x) = 25x^7 – x^6 – 5x^4 + x – 49 is true?

any rational root of f(x) is a multiple of –49 divided by a multiple of 25.

any rational root of f(x) is a multiple of 25 divided by a multiple of –49.

any rational root of f(x) is a factor of –49 divided by a factor of 25.

any rational root of f(x) is a factor of 25 divided by a factor of –49.