Question 1002276
You can call year 2011 to be YEAR 0, and this gives a data point of (0,226).  The slope is 18 in unit of STUDENTS per YEAR, and is positive.    You can use the point-slope form equation for a line and say  {{{y-226=18(x-0)}}}, and be reminded, this is for x to mean number of years after 2011.


The meaning for y is, number of students enrolled.