Problem

1. For the parametric curve $x=x(t)$, $y=y(t)$ when $t=2$, $x(2)=4$, $x'(2)=2$, $x''(2)=5$, $y(2)=2$, $y'(2)=2$, $y''(2)=1$, find $\dfrac{d^2y}{dx^2}\,(x=4)=?$ $(20/100)$