Answer:
The function is not continuous
Explanation:
Since the oldest living person keeps changing as time passes, due to death, so,
e.g, if the current oldest living per is for example, 100.51 years,
then when they die, the function will have the age of the next oldest for example, they have an age of 99.54 years.
Hence there is a jump in the function.(e.g. from 100.51 to 99.54)
So, The function is not continuous due to jumps of these kinds when we shift from one oldest, then they die, to the next oldest