help plz
The rate of change the number of of students increased divided by the change in time.
x = number of students increase from 2010 to 2011.
y = years passed between 2010 and 2011.
Then do x/y.
=^._.^=
Rate of change = slope between ( 2010, 8) and (2011, 26) = (26 - 8) / (2011 - 2010) = 18 / 1 = 18
