Any source information used in an essay should be properly cited with a footnote or other end reference. The citation should give credit to the author/creator, publication or website, date of publication, and any other pertinent details.
Answer:
what exactly is this question.
Yes you can as long as you give the website you got it from credit
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.
