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Which of the following is a graph of `y=2x -1`?
1
2
3
-1
-2
-3
1
2
3
4
5
-1
-2
-3
-4
-5
1
2
3
-1
-2
-3
1
2
3
4
5
-1
-2
-3
-4
-5
1
2
3
-1
-2
-3
1
2
3
4
5
-1
-2
-3
-4
-5
1
2
3
-1
-2
-3
1
2
3
4
5
-1
-2
-3
-4
-5
Box 1:
Select the best answer
1
2
3
-1
-2
-3
1
2
3
4
5
-1
-2
-3
-4
-5
↑
X
MathQuill
Basic
General
Intervals
Inequalities
Functions
Trig
x
x
√
n
√
|
|
(
)
π
∞
DNE
x
√
(
)
π
∞
DNE
(
)
(
]
[
)
[
]
—∞
∞
∪
DNE
<
>
≤
≥
or
All Real Numbers
DNE
log
log
n
ln
n
√
|
|
e
sin
cos
tan
arcsin
arccos
arctan
⟨
⟩
∞
DNE
-∞
∞
∪
DNE
[more..]