When the antibiotics don't kill the resistant bacteria what happens to the next generation of bacteria?

1. Even though they are the babies of the resistant bacteria they do not get resistance gene and are unable to survive the antibiotics
2. Since they are the babies of the resistant bacteria they also have resistance gene and are able to survive against the antibiotics then they have babies that are also resistant and the number of bacteria grows and grows
There are only 2 options

2. Since they are the babies of the resistant bacteria they also have resistance gene and are able to survive against the antibiotics then they have babies that are also resistant and the number of bacteria grows and grows.