The Population $y$ (In Millions of People) of North America from 1980 to from 1980

The population $y$ (in millions of people) of North America from 1980 to 2050 can be modeled by $y = 5.3 x + 430,$ $- 30 \leq x \leq 40$ where $x$ represents the year, with $x = 40$ corresponding to 2050. Find the y-intercept of the graph of the model. What does it represent in the given situation?

A) $( 0,483 ) ;$ It represents the population (in millions of people) of North America in 2020.
B) $( 0,536 ) ;$ It represents the population (in millions of people) of North America in 2030.
C) $( 0,377 ) ;$ It represents the population (in millions of people) of North America in 2000.
D) $( 0,430 ) ;$ It represents the population (in millions of people) of North America in 2010.
E) $( 0,324 ) ;$ It represents the population (in millions of people) of North America in 1990.