**The Function and Its Graph** The graph depicts the function \( f(x) = \sqrt{1 - x^2} \), representing the upper half of the unit circle. A point \( P(x, y) \) is marked on the curve. **Diagram Analysis** - The diagram shows a semicircular curve along the x-axis from \((-1, 0)\) to \( (1, 0) \). - A tangent and a normal line are drawn at point \( P(x, y) \) on the curve. **Problem Set** (a) **Calculate the Slope of the Normal at \( P \):** - Express the slope in terms of \( x \) and \( y \). (b) **Deduce the Slope of the Tangent at \( P \):** - Use the information from part (a) to express the slope in terms of \( x \) and \( y \). (c) **Verify the Tangent Slope Using Differentiation:** - Utilize the limit definition of the derivative: \[ f'(x) = \lim_{h \to 0} \frac{\sqrt{1 - (x + h)^2} - \sqrt{1 - x^2}}{h} \] **Hint for Calculation:** - Rationalize the numerator of the difference quotient by multiplying both the numerator and the denominator by: \[ \sqrt{1 - (x + h)^2} + \sqrt{1 - x^2} \]

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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**The Function and Its Graph**

The graph depicts the function \( f(x) = \sqrt{1 - x^2} \), representing the upper half of the unit circle. A point \( P(x, y) \) is marked on the curve.

**Diagram Analysis**

- The diagram shows a semicircular curve along the x-axis from \((-1, 0)\) to \( (1, 0) \).
- A tangent and a normal line are drawn at point \( P(x, y) \) on the curve.
  
**Problem Set**

(a) **Calculate the Slope of the Normal at \( P \):**
   - Express the slope in terms of \( x \) and \( y \).

(b) **Deduce the Slope of the Tangent at \( P \):**
   - Use the information from part (a) to express the slope in terms of \( x \) and \( y \).

(c) **Verify the Tangent Slope Using Differentiation:**
   - Utilize the limit definition of the derivative:
     \[
     f'(x) = \lim_{h \to 0} \frac{\sqrt{1 - (x + h)^2} - \sqrt{1 - x^2}}{h}
     \]

**Hint for Calculation:**
- Rationalize the numerator of the difference quotient by multiplying both the numerator and the denominator by:
  \[
  \sqrt{1 - (x + h)^2} + \sqrt{1 - x^2}
  \]
Transcribed Image Text:**The Function and Its Graph** The graph depicts the function \( f(x) = \sqrt{1 - x^2} \), representing the upper half of the unit circle. A point \( P(x, y) \) is marked on the curve. **Diagram Analysis** - The diagram shows a semicircular curve along the x-axis from \((-1, 0)\) to \( (1, 0) \). - A tangent and a normal line are drawn at point \( P(x, y) \) on the curve. **Problem Set** (a) **Calculate the Slope of the Normal at \( P \):** - Express the slope in terms of \( x \) and \( y \). (b) **Deduce the Slope of the Tangent at \( P \):** - Use the information from part (a) to express the slope in terms of \( x \) and \( y \). (c) **Verify the Tangent Slope Using Differentiation:** - Utilize the limit definition of the derivative: \[ f'(x) = \lim_{h \to 0} \frac{\sqrt{1 - (x + h)^2} - \sqrt{1 - x^2}}{h} \] **Hint for Calculation:** - Rationalize the numerator of the difference quotient by multiplying both the numerator and the denominator by: \[ \sqrt{1 - (x + h)^2} + \sqrt{1 - x^2} \]
Expert Solution
Step 1

Introduction:-

Slope of line is ratio of differences in y and x

Slope of Normal and Tangent are Negative reciprocal of each other

Slope of tangent at point is derivative at that point

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