Please work!

1. Evaluate ( x - 2) -2 dx. 2. Evaluate 1 o xin x dx. If you use a substitution to do the integration, be sure to change the limit of integration to the correct ones for the new variable. 3. Evaluate 1 1+ x2 dx. 1 4. Evaluate 73 dx.5. Compute the volume of the solid produced when the region between the x-axis and f (x) = for 1