" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Originalmente x es
un número que es mayor o igual a -2 y menor o igual a 5.
-2 ≤ x ≤ 5 ahora multipliquemos por 2
-4 ≤ 2x ≤ 10 y restemos 2
-6 ≤ 2x -2 ≤ 8
2x-2 pertenece al intervalo [ -6 , 8 ]