| 2|x|−1 | ||
f(x)= | x∊R | |
| |x|+1 |
| 2|x|−1 | 2|x|+2−3 | 2(|x|+1)−3 | 3 | |||||
f(x)= | = | = | = 2 − | , | ||||
| |x|+1 | |x|+1 | |x|+1 | |x|+1 |
| 3 | ||
− | +2 gdy x > 1 | |
| x+1 |
| 1 | ||
f(x) = { | gdy x = ±1 | |
| 2 |
| 3 | ||
+2 gdy x<1 i jak sobie to wszystko narysujesz to odczytasz , | ||
| x−1 |
