need help as soon as possible I will mark u brainliests. please make sure answer isn't only cosx - 1​

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "