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Graphs of rational functions

Problem

Let f, left parenthesis, x, right parenthesis, equals, start fraction, a, x, start superscript, n, end superscript, plus, b, x, squared, plus, 10, divided by, c, x, start superscript, m, end superscript, plus, d, x, minus, 2, 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?
Dashed lines indicate asymptotes.
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