Function or not Function HELP!

Answer:
tis a function, my fair person
Step-by-step explanation:
as u seeth, this graph needs to be puteth througheth the VLT test to be determindeth if its a function. VERTICAL LINE TEST is when you put a verticaleth line in diff places of the graph to see if there are mutliple points in the same line. as you can seeeth, there arent.
Answer:
Step-by-step explanation: function because it passes the vertical line test !