Linear Algebra Examples

Find the Domain y=7x
y=7xy=7x
Step 1
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
Interval Notation:
(-,)
Set-Builder Notation:
{x|x}
Step 2
image of graph
(
(
)
)
|
|
[
[
]
]
{
{
}
}
A
A
7
7
8
8
9
9
B
B
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
!
!
,
,
0
0
.
.
%
%
=
=
 [x2  12  π  xdx ]