Free brainleist if you answer correctly

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

For what value of (y) is 3^3/3^y =1/9

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4