6. A population of ants has an initial number of 12, and the number of ants triples every 8 months. Which expression represents the approximate number of ants in the population after m months? a. 12(3) 8m b. 3(12) 8m c. 12(3) 8 d. 3(12) 8 7. The function g(x) = 12, 500(0.91)* represents the value of a piece of farm equipment after x years. Approximately when will its value be one third of its original value? a. 7.3 years b. 11.6 years c. 8.2 years d. 4.3 years 8. Sydney purchases a new car for $27,500. The value of the car decreases at a rate of 15% each year. In approximately how many years will the car be worth $2,826