Use the discriminant to describe the roots of each equation. then select the best description. x^2-4x+4=0 double root real and rational roots real and irrational roots non real roots

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