1. Recall the equation of a circle of radius 1 centered at the origin: Is this a function? Why or why not?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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I need help answering all parts of question #1 and question #2. Please make sure to really explain and show steps so I understand how to do it.

1. Recall the equation of a circle of radius 1 centered at the origin:
Is this a function? Why or why not?
2. A function that reverses the process of another function is called the inverse function. For
example, if f (x) = 2x, then f-'(x) =x as it returns us back to x. Write the formal definition of
an inverse function on page 78.
Transcribed Image Text:1. Recall the equation of a circle of radius 1 centered at the origin: Is this a function? Why or why not? 2. A function that reverses the process of another function is called the inverse function. For example, if f (x) = 2x, then f-'(x) =x as it returns us back to x. Write the formal definition of an inverse function on page 78.
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Given is a circle of radius 1 centered at origin. The figure is as shown below :

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