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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. $0 \geq x \geq -2$

2 votes
2 answers
1
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2 answers
2
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2 answers
3
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2 answers
4
2 votes
1 answer
5