Let vec$(r)(t)=($:$-t^3+1,t^4+3t^4,-4ln(4t)$:$)$

Find a parametric equation $of$ the line tangent $to$ vec$(r)(t)at$ the point $(-7,64,-8\mathrm{.}318)$

$x(t)=-7-12t$

$y(t)=$

$z(t)=$