Question $7$

$\backslash$table$[[\frac{x}{\frac{?}{?}}y,0,1,2,3],[0,1\mathrm{.}5,1\mathrm{.}56,1\mathrm{.}85,2\mathrm{.}05],[1,3\mathrm{.}5,3\mathrm{.}69,4\mathrm{.}02,4\mathrm{.}69],[2,4\mathrm{.}25,4\mathrm{.}45,4\mathrm{.}84,5\mathrm{.}52],[3,5\mathrm{.}75,6\mathrm{.}14,7\mathrm{.}03,8]]$

Use the above table to estimate the value of $f_z(1,2).$

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