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

Question

anonymous · Answer

Company	A	                B	                C	                 D
Sale	        f(t) = 1.05^t	f(t) = 0.75^t	f(t) = 1.2^(12t)	 f(t) = 0.97^(12t)

anonymous · Answer

Which of the following companies showed an exponential decay in sale?
(A) Company A and Company C 
(B) Company B and Company D 
(C) Company C and Company D 
(D) Company A and Company B

anonymous · Answer

@hartnn @cwrw238 Is the answer B?

anonymous · Answer

@pooja195 @iambatman @ganeshie8 @Data_LG2

pooja195 · Answer

you have a formula of P = Po* a^t
if a >1 --> growth
if a<1 ---> decay

pooja195 · Answer

@happyrosy  you understand that right?

anonymous · Answer

yeah i get that

pooja195 · Answer

use it to figure out the answer :)

anonymous · Answer

okay

anonymous · Answer

I think it is option B because their a-values are less than 1
B's a-value is 0.75 and D's a-value is 0.97

pooja195 · Answer

Yep thatd correct! :)