Which angles are supplementary angles?

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis. how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Guys i really need or i have to stay late up night

Which of the following is true for the relation f(x)=2x^2+1