In Problems $2128,$ determine whether f$1$t$2$ is continuous,

piecewise continuous, or neither on $30,104$ and sketch the

graph of f$1$t$2.$

$23.$ f$1$t$2=$

$1,0...$ t $61,$

t $-1,16$ t $63,$

t

$2-4,36$ t $...10$