College Algebra Quiz
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FUNCTIONS & GRAPHS
Question 1
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Consider the piecewise function
k
(
x
)
=
{
∣
x
+
1
∣
if
x
≤
2
3
x
−
5
if
x
>
2
k(x) = \begin{cases} |x + 1| & \text{if } x \leq 2 \\ 3x - 5 & \text{if } x > 2 \end{cases}
k
(
x
)
=
{
∣
x
+
1∣
3
x
−
5
if
x
≤
2
if
x
>
2
. What is the range of
k
(
x
)
k(x)
k
(
x
)
for
x
∈
[
−
3
,
4
]
x \in [-3, 4]
x
∈
[
−
3
,
4
]
?
A
[
0
,
7
]
[0, 7]
[
0
,
7
]
B
[
0
,
3
]
∪
[
1
,
7
]
[0, 3] \cup [1, 7]
[
0
,
3
]
∪
[
1
,
7
]
C
[
1
,
7
]
[1, 7]
[
1
,
7
]
D
[
0
,
3
]
∪
(
1
,
7
]
[0, 3] \cup (1, 7]
[
0
,
3
]
∪
(
1
,
7
]
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