1. The diameter of a pot hole is 6 cm. Over the course of 3 weeks the diameter increases to 15 cm. Write an explicit algebraic expression that represents this exponential relationship where x is the number of weeks. Round to two decimal places

A. F(x)=15(0.4)^x
B. F(x)=6(1.36)^x
C. F(x)=15(0.74)^x
D. F(x)=6(2.5)^x

1 answer

C. F(x)=15(0.74)^x