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Algebra Examples
Popular Problems Algebra Find the Domain and Range y=3/2x^2+4x-9
y
=
3
2
x
2
+
4
x
−
9
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
∈
R
}
The range is the set of all valid
y
values. Use the graph to find the range.
Interval Notation:
[
−
35
3
,
∞
)
Set-Builder Notation:
{
y
∣
∣
∣
y
≥
−
35
3
}
Determine the domain and range.
Domain:
(
−
∞
,
∞
)
,
{
x
|
x
∈
R
}
Range:
[
−
35
3
,
∞
)
,
{
y
∣
∣
∣
y
≥
−
35
3
}
image of graph
20/9 or 2 2/9 5/9 divided by 1/4 = 5/9 x 4 = 20/9
Answer:
-16.2= v
Step-by-step explanation:
-8.9= v+7.3
v= -8.9-7.3
v = -16.2
Use 6 tens to get 60 and then 2 ones
use 5 tens to get 50 and 12 ones
Answer:
(-2,0), no x intercept
2. (0.8333333333333333,0) and it would be a dotted boundary line shaded on the bottom half
Step-by-step explanation:
