This question tests your understanding of the wording of questions.

Recall the two equations for exponential growth and decay.

or 

(a) If the population increases by a factor of 1.6, then which of the following is true?

A. N = 2.6 
B. N = /2.6
C. N = 1.16 
D. N = 1.6 
E. N = /1.6

(b) If the population decreases by a factor of 3 every 2 days, which of the following is true?

A. 3 = e
B.  ln (1/3) = -2 k
C.  2/3 = e
D.  ln (3/2) = -3 k
E.  ln (1/3) = -3 k

(c) If the population decreases by 33.3% every 2 days, which of the following is true?

A.  3 = e
B.  ln (1/3) = -2 k
C.  2/3 = e
D.  ln (3/2) = -3 k
E.  ln (1/3) = -3 k