11.
Given:
There are given that the unction:
[tex]x^2+y^2=4[/tex]Explanation:
According to the question:
We need to fid the codition.
So,
From the given function:
[tex]x^{2}+y^{2}=4[/tex]Then,
According to the vertical line concept,
If you draw a vertical linefor any value of x in the domain, then does the vertical encounter no more than one y value.
Then,
We can say that if we do that , then we will two x values.
Final answer:
Hece, the answer is No.