Given:f={(x,
1+x
2
x
2
β
):xβR}
Domain=x
...
Mathematics, 13.05.2021 23:10 jdobes9578
Given:f={(x,
1+x
2
x
2
β
):xβR}
Domain=x
range=
1+x
2
x
2
β
We find different values of
1+x
2
x
2
β
for different values of x
Value of x value of
1+x
2
x
2
β
β2
1+(β2)
2
(β2)
2
β
=
1+4
4
β
=
5
4
β
=0.8
β1
1+(β1)
2
(β1)
2
β
=
1+1
1
β
=
2
1
β
=0.5
0
1+0
(0)
2
β
=0
1
1+(1)
2
(1)
2
β
=
1+1
1
β
=
2
1
β
=0.5
2
1+(2)
2
(2)
2
β
=
1+4
4
β
=
5
4
β
=0.8
Thus, value will always lie between 0 and 1
β΄ the value of range of y=
1+x
2
x
2
β
is always positive
Also, it lies between 0 and 1
Hence, Range is any positive integer between 0 and 1 with 0 included.
Thus, Range of f=[0,1)
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