[Graphs generated by this script: initPicture(-1,6,-1,6);axes(1,1,1,1,1); line([-1,5],[5,-1]); fill='blue'; path([[1,0],[1,3],[3,1],[3,0]]);]

To find the blue shaded area above, we would calculate:

$\displaystyle {\int_{{a}}^{{b}}}{f{{\left({x}\right)}}}{\left.{d}{x}\right.}=\text{area}$

Where:

a = , b =

f(x) = Preview Question 6 Part 3 of 4  

Area = Preview Question 6 Part 4 of 4