Charmluvjones85go Charmluvjones85go Mathematics Answered 1) Which relation is not a function? a) {(2,4),(1,2),(0,0),(-1,2).(-2,4)} b) {(2,4),(1,1),(0,0).(-1,1),(-2,4)} c) {(2,2),(1,1),(0,0).(-1,1),(-2,2)} d) {(2,2),(1,1),(0,0).(1,-1),(2,-2)}