The graph represents revenue in dollars as a function of greeting cards sold. A coordinate plane showing Greeting Card Revenue,
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Your question seems a bit incomplete, but for starters you can write
Expanding where necessary, recalling that
, you have
and you can stop there, or continue to rewrite in terms of the reciprocal functions,
Now, since
, the final form could also take
or
Expanding where necessary, recalling that
and you can stop there, or continue to rewrite in terms of the reciprocal functions,
Now, since
or