Which of the following functions from `AtoB` are one-one and onto? `f_1={(1,3),(2,5),(3,7)};A={1,2,3},B={3,5,7}` `f_2={(2, a),(3, b),(4, c)};A={2,3,4},B={a , b , c}` `f_3={(a , x),(b , x),(c , z),(d , z)}; A={a , b , c , d},B={x , y , z}`

Which of the following functions from A to B are one-one and onto? f_1={(1,\ 3),\ (2,\ 5),\ (3,\ 7)};\ \ A={1,\ 2,\ 3},\ \ B={3,\ 5,\ 7} (ii) f_2={(2,\ a),\ (3,\ b),\ (4,\ c)};\ \ A={2,\ 3,\ 4},\ \ B={a ,\ b ,\ c} (iii) f_3={(a ,\ x),\ (b ,\ x),\ (c ,\ z),\ (d ,\ z)};\ \ A={a ,\ b ,\ c ,\ d},\ \ B={x , y , z}

_A^( If )={1,2,3},B={1,2,3,4},C={4,5,6},f in d:(A xx B)nn(A xx C)

_A^( If )={1,2,3},B={1,2,3,4},C={4,5,6},f in d:(A xx B)nn(A xx C)

The number of one one onto functions that can be defined from A={a,b,c,d ) into B={1,2,3,~ 4}~

The number of one one onto functions that can be defined from A={a,b,c,d} into B={1,2,3,4} is

If A={1,2,3},B={1,2,3,4},C={4,5,6},f in d:A xx(B nn C)

If A={1,2,3},B={1,2,3,4},C={4,5,6},f in d:A xx(B uu C)

Add the following: x-3y-2z (ii) 4a b-5b c+7c a