$14.$ Let J$5=\{0,1,2,3,4\},$ and define functions h: J$5$ J$5$ and k: J$5$ J$5$ as follows: For each x $$ J$5,$

h$($x$)=($x $+3)3$ mod $5$ and k$($x$)=($x$3+4$x$2+2$x $+2)$ mod $5.$

Is h $=$ k$?$ Explain