One of the most important factors in to stabilize a developing country’s population an developing environmental degradation is to

based on the demographic transition model stage two is agriculture stage 3 pre-industrial so the country is mode developed where the population is moving to industrialization but not there yet stage three is industrial. So basically getting rid of the environment and making it urbanized the population has to be stabilized meaning equal birth and death rates so that country to be in industrialization but in agriculture the country would have high birth rates and death rates

claude wants to buy a car and there are a few factors that will affect the decision he makes in choosing what car he should buy. the first factor that can affect his decision regarding what car to buy can be the social and the cultural influence of the society he is living in. for example, there might be a certain car that might have a better value in the eyes of the society or in other words a better social norm regarding that car.

another factor can be personal habits. claude might need a spacious car because he might have kids or might utilize the back seat for other purposes hence a sports car (2 seated) won’t be appropriate.  

to answer your question:

f(x)= a^x.  if x=0, f(x)=1  if x=1, f(x)=a  if x=1, f(x)=a^a