Lauren and Christy are practicing for a track meet Lauren runs 4 more than twice as many laps is Christy the number of laps Lauren runs can be found by using the expression 2x + 4 and Christy runs 5 laps then x = 5 how many laps does Lauren run​

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