9. Draw the set A(A) for the box splines BC | A) on R?, where a. A = {ej, C2, C2, ex} b. A = {ej, 62, 0, +ez, ez -e;} c. A = {en, e, + ez, ez - 2e;} 9. Draw the set A(A) for the box splines BC | A) on R?, where a. A = {ej, C2, C2, ex} b. A = {ej, 62, 0, +ez, ez -e;} c. A = {en, e, + ez, ez - 2e;}