What does F(2) equal?

1.)solve for z. -52=-4z 2.)solve for p 9/2.3=9.2 3.)solve for y. -1.17y=5.85 4.)solve for x. 3x/8=6

It is given that cs is the perpendicular bisector of segment ab. by the definition of perpendicular we can conclude that angles csa and csb are right angles. which answer choice justifies the fact that ? csb ? ? csa?

The degree of the function f(x) = -(x+1)^2