. Determine the points where the curve 6x+ 4y-y=6 has a vertical tangent line. p. Does the curve have any horizontal tangent lines?

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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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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### Problem Statement on Tangent Lines

Consider the curve defined by the equation:

\[ 6x + 4y^2 - y = 6 \]

**a. Determine the points where the curve has a vertical tangent line.**

To solve this, you need to find the points on the curve where the derivative \( \frac{dy}{dx} \) is undefined.

**b. Does the curve have any horizontal tangent lines?**

To solve this, you need to find the points on the curve where the derivative \( \frac{dy}{dx} \) is zero.

### Analysis:

- **Vertical Tangent Line**: This occurs where the denominator of the derivative is zero.
- **Horizontal Tangent Line**: This occurs where the numerator of the derivative is zero.

To find these:

1. Differentiate the implicit equation \( 6x + 4y^2 - y = 6 \) with respect to \( x \) to find \( \frac{dy}{dx} \).
2. Use the conditions for vertical and horizontal tangents to solve the problems accordingly.

To graphically interpret these tangent lines:
- **Vertical Tangent Line**: Look for points where the slope of the curve tends to infinity.
- **Horizontal Tangent Line**: Look for points where the curve is not changing in the vertical direction (zero slope).
Transcribed Image Text:### Problem Statement on Tangent Lines Consider the curve defined by the equation: \[ 6x + 4y^2 - y = 6 \] **a. Determine the points where the curve has a vertical tangent line.** To solve this, you need to find the points on the curve where the derivative \( \frac{dy}{dx} \) is undefined. **b. Does the curve have any horizontal tangent lines?** To solve this, you need to find the points on the curve where the derivative \( \frac{dy}{dx} \) is zero. ### Analysis: - **Vertical Tangent Line**: This occurs where the denominator of the derivative is zero. - **Horizontal Tangent Line**: This occurs where the numerator of the derivative is zero. To find these: 1. Differentiate the implicit equation \( 6x + 4y^2 - y = 6 \) with respect to \( x \) to find \( \frac{dy}{dx} \). 2. Use the conditions for vertical and horizontal tangents to solve the problems accordingly. To graphically interpret these tangent lines: - **Vertical Tangent Line**: Look for points where the slope of the curve tends to infinity. - **Horizontal Tangent Line**: Look for points where the curve is not changing in the vertical direction (zero slope).
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