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CAT 2003 | Question: 1-143

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Given that $-1 \leq v \leq 1, -2 \leq u \leq -0.5 \text{ and } -2 \leq z \leq -0.5 \text{ and } w=\frac{vz}{u}$ then which of the following is necessarily true?

  1. $-0.5 \leq w \leq 2$
  2. $-4 \leq w \leq 4$
  3. $-4 \leq w \leq 2$
  4. $-2 \leq w \leq  -0.5$

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