691 views
1 votes
1 votes
Consider the following statements regarding function f and g.

1) if gof is injective, then g is injective but f need not be.

2) if gof is surjective then both f and g are subjective.

A) (1) is true,(2) is false

B) (1) is false,(2) is true

C) Both are true

D) Both are false

Please log in or register to answer this question.

Related questions

1 votes
1 votes
0 answers
1
biranchi asked Jan 24, 2017
622 views
0 votes
0 votes
1 answer
2
Abhipsa asked Jan 23, 2019
533 views
What is the number of relations S over set {0,1,2,3} such that (x,y) $\epsilon$ S $\Rightarrow x = y$ ? Thanks.
0 votes
0 votes
0 answers
3
pC asked Jun 25, 2016
240 views
A : R- {2}B: R-{1}f:A->Bg:B->Af(x) = $\frac{x}{x-2}$g(x) = $\frac{2x}{x-1}$Q1) find IA and IBQ2) find fog and gof Q3] what is your comparision
0 votes
0 votes
1 answer
4
Abhipsa asked Jan 23, 2019
385 views
What Is The Total Number Of Boolean Functions Possible Over N Boolean Variables?