F(x)=7x^4-19x^3+7x^2+7x*2
•list all possible roots

Arandom high school question but a hard one

What numbers are included in the set of integers? what numbers are not included?

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)