Question

fiaSRTGA
Progress Check
State True or False.
1.
All one - one functions are onto functions.
2. There will be no one-one function from A to B when A= 4, (B) = 3.
3.
All onto functions are one - one functions.
4. There will be no onto function from A to B when A) = 1, (B) = 5.
5. If f is a bijection from A to B, then nA = n(B).
6. If n(A) = n(B), then f is a bijection from A to B.
7. All constant functions are bijections​

Answer 1

Answer:

1 t

2 f

3f

4t

5t

6f

7f

ok that much i know