engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Engineering Mathematics Set Theory & Algebra Relations
Which of the following is correct if the above image represents the functions f1 and f2?
1
f1 is onto, f2 is onto
2
f1 is one-one, f2 is one-one
3
f1 is one-one, f2 is not an onto
4
f1 is onto, f2 is one-one