Enter each answer as a whole number (like -4, 0, or 253) or DNE for undefined or Does Not Exist.

f(4)\displaystyle {f{{\left({4}\right)}}} =

limx3  f(x)=\displaystyle \lim_{{{x}\to{3}^{{-}}}}\ \ {f{{\left({x}\right)}}}=

limx4+  f(x)=\displaystyle \lim_{{{x}\to{4}^{+}}}\ \ {f{{\left({x}\right)}}}=

limx8  f(x)=\displaystyle \lim_{{{x}\to{8}}}\ \ {f{{\left({x}\right)}}}=