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{:[f(t)={[-(64 )/(t),"quad t=8"],[14-t,"quad t=10"],[t^(2)-3t+2,"quad t!=8""10"]:}],[f(2)=◻]:}

f(t)={−64tamp;,t=814−tamp;,t=10t2−3t+2amp;,t≠8,10f(2)=□ \begin{array}{l}f(t)=\left\{\begin{array}{ll}-\frac{64}{t} & , \quad t=8 \\ 14-t & , \quad t=10 \\ t^{2}-3 t+2 & , \quad t \neq 8,10\end{array}\right. \\ f(2)=\square\end{array}

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