Question

{1,2,3,....}
{1,2,3,.....,163}
{14.7,14.6,14.5,...,0}
{14.7,14.6,14.5,...}

Answer 1

P(f), where f is the number of floors.

the domain of f goes from 1 to 163, then:

{1,2,3,.....,163}

is te right domain