4. Find e 7. Let R represent the region in the dt first quadrant bounded by the X-axis, ( t $ 4 - In (t ) X - 24=0 , and y= 18-x. create solid Q by revolving R about the 8. Let R represent the region X-axis. After sketching R, set up in the first quadrant bounded a single definite integral that by X= 1 g x-zy=0, and y= 18-x. Create solid Q by revolving R equals the volume of Q. about y = - 1. a) Sketch R. 9. Let R represent the region inside bi Set up a single definite x 2 + y2= 4 and above y= 1. Create integral that equals the area solid Q by revolving Rabout the of R . () set up a single definite / x-axis. use both the washer and integral that equals the volume shell methods to find the volume of Q. of