Hailey has a summer job at the water slide park. She earns $9.50 an hour as a lifeguard, but never works more than 25 hours in a week. She determines that her salary is modeled by the function s = 9.5h.

What is the domain of this function in this situation?
A) s ≤ 237.50
B) all real numbers
C) {0 ≤ h ≤ 25}
D) {0 ≥ h ≥ 25} 
Pls ..who ever answers it right will be marked brainliest...(and first)