00:01
Hello, so here we have a to g.
00:02
We have to write is it true or false.
00:05
For the a1 we can say that a function that is surjective is not injective.
00:24
This is a false statement as a function can be both surjective and injective.
00:35
B1 a function that is injective is not surjective.
00:39
This statement it is also false as a function can be both.
00:53
It can be surjective, it can be injective as well.
00:59
For the c1 it says that if composition of function f and g and g and f are both defined they are equal.
01:07
So this statement is again false as the composition of the function it is not commutative.
01:23
And so the statement of this it is false.
01:35
Further now for the d part we will say that if both the function is surjective then their composition will also be a surjective...