ndmdldldkd ndmdldldkd 17-05-2021 Mathematics contestada Solve the system of equations using substitution or graphing. y= -x2 + 4x + 5 y= x + 1 OA) (-1,0) and (6,7) OB) (-1,0) and (4,5) C) (1, 2) and (4,5) D) (1, 2) and (6,7)