For 1, you left the variable out of the high order term. Chalking that up to a simple typo, you have it technically correct. However, I would have expressed my answer as:
keeping with the convention of writing the terms in descending order.
2 is spot on IF you were not required to express the rational function result in the form of
3. How you got from
to
I cannot fathom.
Should have been
John
My calculator said it, I believe it, that settles it
