Answer:
Values are:
x x²
10 100
5
here,
A=2×22÷7×17/2×21
A=22×17×3
A=1122 sq.cm
The name given to the shaded region would be the positive interval because all f(x) values in that region are positive.
7:15=(7*3):(15*3)=21:45
7:15=(7*9):(15*9)=63:135
21:45 and 63:135