Determine which of four graphs fits the formula of a given function.


Let f, left parenthesis, x, right parenthesis, equals, start fraction, a, x, start superscript, n, end superscript, plus, b, x, start superscript, 5, end superscript, plus, 36, divided by, c, x, start superscript, m, end superscript, minus, d, x, start superscript, 2, end superscript, plus, 9, end fraction, where m and n are integers and a, b, c and d are unknown constants.
Which of the following is a possible graph of y, equals, f, left parenthesis, x, right parenthesis?
Please choose from one of the following options.