Write an exponential function to model the situation, then find the amount after the specified time.

a population of 120,00 grows 1.2% per year for 15 years.

a. y=1.012(1.2)^x; 15.592
b. y=120,000(1.12)^x; 785,524
c. y=120,000(1.2)^x; 1,848,843
d. y=120,000(1.012)^x; 143,512

Astudent simplified a rational expression as shown.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?