Question

Tell which of the diagram is a function or not.

Answer 1

The answer to your question is below

Explanation:

1.-

a) It's a function

b) It is not a function

c) it's a function

d) it's a function

2.-

a) It's a one to one function

b) it's not a one to one function

c) it's a one to one function

d) it's a one to one function