Nonlinear functions

approximate answer obtained

Iterations

$f_1\left(x\right)$

−1.531439613

20

$f_2\left(x\right)$

1.261556999

5

$f_3\left(x\right)$

−1.521345295

56

$f_4\left(x\right)$

−1.248014041

9

$f_5\left(x\right)$

−1.199683477

16