Algebra

5) The annual average income of an American woman with a bachelor’s degree can be approximated by the linear equation y = 1237.4x + 37401.2, where x stands for the number of years after 2008.

a)  According to this model, what is the average income of an American woman with a bachelor’s degree in 2015?

b) What is the slope of this line, and what does it mean in the context of the problem?

c)  What is the y-intercept of this line, and what does it mean in the context of the problem?