During the period from 1996 to 2006 the average annual cost (in dollars) of tuition and fees at private four-year colleges rose in an approximately linear fashion. The graph depicts this growth using a line segment. (Source: The College Board)

(a) Use the midpoint formula to approximate the cost during the year 2001.
(b) Find the slope of the line and explain its meaning in the context of this situation.

Question

During the period from 1996 to 2006 the average annual cost (in dollars) of tuition and fees at private four-year colleges rose in an approximately linear fashion. The graph depicts this growth using a line segment. (Source: The College Board)
  
(a) Use the midpoint formula to approximate the cost during the year 2001.
(b) Find the slope of the line and explain its meaning in the context of this situation.

Quizplus · Accepted Answer

The Answer of During the period from 1996 to 2006 the average annual cost (in dollars) of tuition and fees at private four-year colleges rose in an approximately linear fashion. The graph depicts this growth using a line segment. (Source: The College Board)
  
(a) Use the midpoint formula to approximate the cost during the year 2001.
(b) Find the slope of the line and explain its meaning in the context of this situation.

During the Period from 1996 to 2006 the Average Annual