Question 933280
Your expected linear model has two obvious points.  As ordered pair (x,y), they are  (0,16000) and (4,7000).  Use slope-intercept form for the equation because you already have the y-intercept.  Use your two points to compute slope.



The x axis is years since initial, and the y axis is thousands of dollars:
{{{graph(400,400,-1,16,-1,16,-(9/4)x+16)}}}