Answer:
option b is the answer
Step-by-step explanation:
Answer:
y= 7^-t
Step-by-step explanation:
Equation for exponential decay:
An equation represents exponential decay if a term between 0 and 1 is elevated to the independent variable.
In this question:
First option 4 is elevated, so not exponential decay.
Second option:

, thus, the second option represents exponential decay.
Answer:
I believe the answer i B
Step-by-step explanation:
I'm not 100% sure so please correct me if im wrong, sorry if i am
Answer:
root 25
Step-by-step explanation:
root 25 is 5, and every other number may not be able to be written as a whole number (please give brainliest)