Question
Arca ob ( Delta^{k}=frac{1}{2} times ) bax ( times ) heigh ( t )
( =frac{1}{2} times(8-(-1) times(3) )
( =frac{9 times 3}{2}=frac{27}{2} 89.4 n+5 )

7. Draw the graphs of X- y=1 and 2x+y =8. Shade the region bounded by these lines a Shade the area bounded by these two lines and y-axis: Also, determine this area. ded by these lines and y-axis. C . Doch toll bis de 1 .
Solution
