Last week a jacket cost $39.50 this week the price of the jacket decreased by $4.50. what is the price of the jacket after the decrease how much would it cost to purchase 2 jackets this week ?

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