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Mathematics
Mathematics
Problem
If
y
=
x
2
−
2
x
−
3
y = x^2 - 2x - 3
y
=
x
2
−
2
x
−
3
, then find the range of
y
y
y
when: a.
x
∈
R
x \in \mathbb{R}
x
∈
R
b.
x
∈
[
0
,
3
]
x \in [0, 3]
x
∈
[
0
,
3
]
c.
x
∈
[
−
2
,
0
]
x \in [-2, 0]
x
∈
[
−
2
,
0
]
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