Other Math Archive: Questions from February 06, 2023
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2 answers
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2 answers
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3. If \( x, y, z \in \mathbb{R} \) and \( x \leq z \), show that \( x \leq y \leq z \) if and only if \( |x-y|+|y-z|=|x-z| \). Interpret this geometrically.2 answers -
Favor de usar método simplex.
2. minimizar \( z=x_{1}+3 x_{2} \) sujeto a: \[ \begin{array}{c} x_{1}+2 x_{2} \geq 6 \\ x_{1}-x_{2} \leq 3 \\ x_{1} \geq 0, x_{2} \geq 0 \end{array} \] 3. Minimice \( z=2 x_{1}-x_{2} \) sujeto a: \[2 answers