Determine whether the given function is a polynomial function or rational function. State the degree, if it is a polynomial function. 
Answer polynomial or rational. __________
If a polynomial function, the degree is __________
Definitions:
Empirical Formula
The simplest expression of a compound's composition, showing the ratio of elements without structural information.
Elemental Analysis
Elemental analysis is a process by which the composition of chemical substances is determined, identifying the quantity of each element within a compound.
Acid/Base Reaction
A chemical reaction that involves the transfer of hydrogen ions (H+) between a proton donor (acid) and a proton acceptor (base).
Conjugate Acid
The species created when a base gains a proton (H+), forming a pair in which the acid and base differ only by one hydrogen atom.
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