Question

show that if :A->B and g:B->C are onto, then gof :A->C is also onto,, see above​

Answer 1

Answer:

it is common

if A>B

and

B>C

that meansC is smaller than B

and B is smaller than A

that is comm9n that C will also be smaller than A

Answer 2

Answer:

A>B

&

B >C

it means C is smaller than B

&

B is smaller than A

So C is smaller than A