** 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

Return to Problem Index