The function models the height, in meters, of a tree years after it was planted. According to the model , what is the best interpretation of the statement ""?
A height of 10 meters is reached after 9.5 years.
After 9.5 years, the height of the tree was 10 meters.
After 10 years, the height of the tree was 9.5 meters.
When the height of the tree was 10 meters, it had been 9.5 years since it was planted.
