Select the correct answer. Which situation is best modeled by a nonlinear function with time as the independent variable?
Α. an investment that increases by $1 every 5 weeks
B. an investment that increases by a constant factor of 1.05, or by 596, every year
C. an investment that takes 2 years to increase in value by $40 and 5 years to increase in value by $100
D. an investment that increases by $25 every year