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The maximum value of \(z=\{min(x_{1}-20),min(-3x_{1}+10)\}\) such that \(0\leq x_{1}\leq 10\) is |
\(-10\) \(-30\) \(-20\) None |
\(-20\) |
$\text{min}(x_{1}-20)$ when $x=0$ $⇒-20$ $\text{min}(-3x_{1}+10)$ when $x=10$ $⇒x=-10$ $∴\text{min}\{-20,-10\}=-20$ |
