Answer:
The graph in the question does not represent a linear function because a linear function is always a straight line, and is represented by the following equation:
y = f(x) = a + bx
The function illustrated in the graph looks more like a logarithmic function that is flattening as it progresses.
Well if its a "real word" may depend on dialect, or where your from specifically. There are many words in Texas not really recognized as "real words" like "y'all" or many things like that. Perhaps it is a word somewhere. But I have never heard it. Remember, language is like a liquid, always shifting, and changing.
Answer:
My sister lives in a lovely home with a beautiful Garden.