What is the area enclosed by the graphs y = |x + a| and y = 5
if a > 0 ?
a)25 sq. units
b)50 sq. units
c)75 sq. units
d)100 sq. units
e)depends on the value of a
It's simply half of a square whose diagonal length is 10. So required area = 25.
Consider the figure formed by the following points - (0,0) , (15,15) , (0, 30) .Calculate the number of integral points inside the figure.