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Algebra Examples
Popular Problems
Algebra
Determine if the Relation is a Function (0,0) , (1,1) , (2,2) , (3,3) , (4,7)
(
0
,
0
)
(
0
,
0
)
,
(
1
,
1
)
(
1
,
1
)
,
(
2
,
2
)
(
2
,
2
)
,
(
3
,
3
)
(
3
,
3
)
,
(
4
,
7
)
(
4
,
7
)
Step 1
Since there is one value of
y
y
for every value of
x
x
in
(
0
,
0
)
,
(
1
,
1
)
,
(
2
,
2
)
,
(
3
,
3
)
,
(
4
,
7
)
(
0
,
0
)
,
(
1
,
1
)
,
(
2
,
2
)
,
(
3
,
3
)
,
(
4
,
7
)
, this relation is a
function
.
The relation is a
function
.
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⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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