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.
(
−
∞
,
∞
)
{
x
|
x
∈
R
}
Since
x
is on the right side of the equation, switch the sides so it is on the left side of the equation.
7
x
−
3
2
=
y
Solve for
x
.
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x
=
3
7
+
2
y
7
The range is the set of all valid
y
values. Use the graph to find the range.
(
−
∞
,
∞
)
{
y
|
y
∈
R
}
Determine the domain and range.
Domain:
(
−
∞
,
∞
)
,
{
x
|
x
∈
R
}
for any integer
n
Range:
(
−
∞
,
∞
)
,
{
y
|
y
∈
R
}
I got this from a math website
