Mathematics

Problem

For each of the following functions, state whether it is a polynomial function or a rational function and write all excluded value(s), if any: a.

p(x)=\dfrac{x^{2}+4x+4}{x+2}

q(x)=\dfrac{x^{3}-8}{x-2}

r(x)=\dfrac{x^{2}+1}{5}