Answer:
All positive real numbers
Step-by-step explanation:
Given
The model can be represented as:
[tex]y = f(x)[/tex]
[tex]y = distance[/tex]
[tex]x = time[/tex]
Required
Determine the domain
This means that we list out possible values of x.
If x represents time, then it is impossible for x to be negative.
This implies that x can take any value as long as it is greater than or equal to 0.
Hence, the domain is all positive real numbers