The table below shows the functions to represent the sale f(t), in thousands, of four companies in t years:



Company A B C D
Sale f(t) = 1.05t f(t) = 0.75t f(t) = 1.212t f(t) = 0.9712t


Which of the following companies showed an exponential growth in sale?
Company A and Company C

Company B and Company D

Company C and Company D

Company A and Company B