Which of the following is NOT true regarding biotic potential? It

Which of the following is NOT true regarding biotic
  potential? It
  a. varies from one species to another.
  b. is related to the timing of the first reproduction.
  c. is related to the frequency of reproduction.
  d. is related to the number of offspring produced.
  e. increases as population density increases.

Question 2

If K (carrying capacity) for a population is 1,200, and
  r = 0.9, which of the following populations will show
  the greatest increase over the course of one year
  assuming exponential growth?
  a. N = 100
  b. N = 200
  c. N = 300
  d. N = 700
  e. N = 900