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Question 0113
Equations and Inequalities
2013 Paper 1 Question 2 Variant
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It is given that
y
=
x
2
−
3
x
−
4
x
−
9
,
x
∈
R
,
x
≠
9.
y = \frac{ x^2 - 3 x - 4 }{ x - 9 }, \quad x \in \mathbb{R}, x \neq 9.
y
=
x
−
9
x
2
−
3
x
−
4
,
x
∈
R
,
x
=
9.
Without using a calculator, find the set of values that
y
{y}
y
cannot take.
[5]
Answer
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