The average number of words remembered over time (in days) can be modeled by the formula:

where t 0 t

a. On day one, how many words were remembered?

b. On day 25, how many words were remembered?

c. On what day did the number of words remembered first fall below 10?

d. What does the graph indicate happens to the number of words remembered over time? What in the above formula tells you that you will never forget all the words?
e. On what day did the number of words remembered fall below 5?

Question

The average number of words remembered over time (in days)  can be modeled by the formula:

  where t > 0 t

a.	On day one, how many words were remembered? 

b.	On day 25, how many words were remembered? 

c.	On what day did the number of words remembered first fall below 10? 

d.	What does the graph indicate happens to the number of words remembered over time? What in the above formula tells you that you will never forget all the words? 
e.	On what day did the number of words remembered fall below 5?