The area of the region bounded by the curve y = x² and the line y = 16

Then what is the result of  $\int_0^3\left(fx\right)dx$  

Find the enclosed area by the curve with equation  $y=4-x^2$  ,the X-axis and the lines x = -1 and x = 2 

If   $\int_{-5}^3g\left(x\right)dx=-2\$   and  $\int_{-5}^{15}g\left(x\right)dx=9$   

Find the value of  $\int_{15}^3\ \ g\left(x\right)dx$  

What is the solution of  $\int_1^5\left|x-2\right|dx$  

Find the enclosed area by the curve with equation $y=x^2-9\$ and the X-axis in the region  $\left[-1,2\right]$   

Find the enclose area by the curve with equation $f\left(x\right)\ =\ 2-x^2\$  and  $g\left(x\right)=-x$  

Find the enclosed area by the curve with equation $\ f\left(x\right)=x^2-4\$  and  $g\left(x\right)=8-2x^2$  

Find the area of the region bounded by the graphs of y = x² and y = 4x.