Find the area of the surface obtained by rotating the curve about the y-axis. 
Definitions:
Patent Applicant
The person or entity that files an application with a patent office for protection of an invention.
Useful
Having a practical or beneficial use.
Manufacturer's Trademark
A symbol, word, or phrase legally registered by a manufacturer to identify and distinguish its products from others.
Permission
The authorization granted to do something or use something that belongs to another party.
Q7: Request alumni organization membership information. <br>Whether you're
Q11: Learn about someone's cultural background. <br>Interview a
Q14: What is the purpose of your message
Q22: According to the National Health Survey, the
Q23: Evaluate charts in a business publication. <br>Find
Q31: Develop an opening for a presentation. <br>This
Q78: A phase trajectory is shown for populations
Q83: Find the volume of the solid generated
Q123: The marginal revenue from producing x units
Q154: Evaluate the integral. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg" alt="Evaluate the