2 5 decimal

&[DATE] &[TIME] - &[FILENAME]

x f 9 x 2^- :

limits x 5 - ≥ (x 3 ≤ (* :

x f limits * x f 2 1 sys

Studying the function

x f limits * x f x f x diff limits * x f x 2 diff limits * 4 1 sys

x f x diff 2 x * -

x f x 2 diff 2 -

x f x diff 0 ≡ x 5 - 3 solve 0

0 f 9

5 - f 16 -

3 f 0

Bruteforce calculation

x 5 - 35 - 0.01 + (range :

kk 1 x length range f.x kk el x kk el f : for

f.x max 9

f.x min 16 -