in Quantitative Aptitude recategorized by
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A, S, M and Dare functions of x and y, and they are defined as follows:

$A(x, y) + x + y$ 

$S(x, y) = x - y$

$M(x, y) = xy$ 

$D(x, y) = x/y$,

where $y \neq 0$.

Which of the following value of x do not satisfy the inequality $x^{2}-3x+2>0$ at all?

  1. $1\leq x \leq 2$
  2. $-1 \geq x \geq -2$
  3. $0 \leq x \leq 2$
  4. $0 \geq x \geq -2$
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