How do i post a image for my question!!

Take a screen shot-- different operating systems have different directions -- you may have a "print screen" key or on a Mac, its command+shift+5, Chromebook it's ctrl+shift+ []||  The key above the 6 or F5 would be.

Anyway once that's done click on the paperclip icon, find the screenshot and attach it.

It helps to enlarge your screen so the screenshot contains the infromation large enough to read.

Step-by-step explanation:

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.