Which.of the following relations are functions? f= {(1, 0), (1, 1), (2,1)}

Which.of the following relations are functions?f= {(a, x), (b, y), (c, z)}

Which.of the following relations are functions?f={(2,1), (3,0), (4,1)}

Given A = {1, 2, 3, 4} examine whether the following relations are functions from,A to A. {(3,1), (4, 2), (1,1)}.

Given A = {1, 2, 3, 4} examine whether the following relations are functions from,A to A. {(2, 3), (2, 1), (1, 4), (3, 2),(4, 4)}

Given A = {1, 2, 3, 4} examine whether the following relations are functions from,A to A. {(2,1), (3, 4), (1, 4), (4, 4)},

If A={1,2,3},B={a,b,c} which of the following are relations from A to B? R1={(1,a),(1,b),(1,c)}

If A={1,2,3},B={a,b,c} which of the following are relations from A to B? R2={(1,c),(2,b),(2,a)}

If A={1,2,3},B={a,b,c} which of the following are relations from A to B? R3={(3,2),(1,c),(3,a)}

If A={1,2,3},B={a,b,c} which of the following are relations from A to B? R5={(1,d),(2,c),(3,a)}

Draw the graph of each of the following functions given by : f(x)={(1,if x>0),(0,if x=0),(-1,if x<0):} .