Select the table of values where the quadratic function changes direction at a different value of x than the others

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

State if it is acute obtuse or right