x

0.5

0.8

0.9

0.95

0.99

0.999

1.001

1.01

1.05

1.1

1.2

1.5

f(x)

3

3.6

3.8

3.9

3.98

3.998

4.002

4.02

4.1

4.2

4.4

5

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