It's the fact that laurenercsp6fpli deleted all of my answers (63) may not seem a lot but for ME in the hours I spent today, it's a lot. THAT SHE gave me a warning BUT FOR WHAT?? Not me being depressed over this

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days