See attachment for one such shell. The volume is given by the sum of infinitely many thin shells like this, each with radius

and height determined by the vertical distance between the upper blue curve and the lower orange curve for any given

, i.e.

.
The volume is then
Answer:
I dont think you pasted the answer right... If you comment i can try and help you
Step-by-step explanation:
Answer:
a, b, c, & d
Step-by-step explanation:
Answer:
Graph A.
Step-by-step explanation:
Given the inequality: 
Since the sign is "less than or equal to", the line cannot be dotted. Therefore, Options C and D are incorrect.
Since the sign is a "less than" sign, the required region must be below the line. Therefore, the graph which shows the given inequality is Graph A.
Answer:
i got you
Step-by-step explanation:
1. D
2. A
3. T
4. T
5. A
6. S
7. T
8. T
9. D
10. D
11. A
12. A