The Graph Below Shows the Growth Rate G, in Water

Multiple Choice

The graph below shows the growth rate G, in water fleas per day, of a population of water fleas as a function of the population size N.Calculate the average rate of change in G from 130 to 160 water fleas. ​ ​

A) -0.07 water fleas per day per water flea.
B) 6 water fleas per day per water flea.
C) 30 water fleas per day per water flea.
D) None of the above.