13.Укажи решение неравенства \(7 x - x^2 \le 0\).
1) \(\left( - \infty ; 7 \right] \)
2) \(\left[ 7 ; - \infty \right) \)
3) \(\left[ 0 ; 7 \right] \)
4) \(\left( - \infty ; 0 \right] \cup \left [ 7 ; + \infty \right)\)