A 13 foot ladder is leaning against the wall. If the top of the ;adder slips down the wall at a rate of 2 ft per seconds, how fast will the foot be moving away from the wall when the top is 5 feet above the ground

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