Answer Happy

I need help with my matrix.
Look at the following matrix below with it's reduced row echelon form and answer the questions. 2 4 3 0 -1 0 2 0 1 0 A= rref(A) = 8 -3 4 0 0 1 1 0 1 0 0 0 0 #1) What is the rank of matrix A? #2) What is a basis for the column space of matrix A? #3) Is the linear transformation respresented by matrix A...Injective, surjective, or bijective?