If

$$

y$($t$)=$x$($t$)*$h$($t$)$y$($t$)=$x$($t$)*$h$($t$)$

$$

and

$$

x$($t$)=0\mathrm{.}5$rect$($t$24)$x$($t$)=0\mathrm{.}5$rectt$-24$

$$

h$($t$)=3$$(2$t$)1$$($t$1)$h$($t$)=3$$(2$t$)-1$$($t$-1)$

Identify the expression for y$($t$).$