dar $=(x-1)(x-4{)}^2(+-7{)}^2(+-8).dt$ Compute the following $limits(show$ your computations$).If$ the $limit$ does not exist write DNE. $(a)If(0)=2\mathrm{.}5,$ then $lim(t)=(b)Ifx(0)=5\mathrm{.}5,$ then $limX(t)=(c)Ifx(0)=7\mathrm{.}5,$ then $lim(t)=t-700$

$1$