The girls fill the roles of a grandmother, mother, and daughter by permutation. It is a way, especially one of several possible variations, in which a set or number of things can be ordered or arranged. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Answer:
Because i have no more information i assume you would like it to be solved.
x < -1 or -1/3 < x < 1