1) Limited by the function yy = xx2 , the x -axis and the points x= -2 and x=2 2) Limited by the function yy = 2xxeexx2 , the x-axis and the points x=0 and x=3 3) Limited by the function y= 4xx-6 xx2-3xx the x-axis and the points x=-1 and x=4. 4) Limited by the function yy = sin 3xx , the x-axis and the points x=10 and x=20, where 10 and 20 are degrees. 5) Limited by the function yy = xxeexx, the x-axis and the points x=1 and x=2 6) Limited by the function yy = xxee2xx, the x-axis and the points x=2 and x=3 7) Limited by the function y= xx-4 xx4-8xx2+10 the x-axis and the points x=1 and x=2