Skip74 Write an equation for a rational function with: Vertical asymptotes at x = 1 and x = -3 x-intercepts at x = -6 and x = -5 y-intercept at 8 18(x + 5)(x + 6) y = (x - 1) (x +3) Question Help: D Video Message instructor
Skip74 Write an equation for a rational function with: Vertical asymptotes at x = 1 and x = -3 x-intercepts at x = -6 and x = -5 y-intercept at 8 18(x + 5)(x + 6) y = (x - 1) (x +3) Question Help: D Video Message instructor
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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Transcribed Image Text:**Task:** Write an equation for a rational function with:
- **Vertical asymptotes** at \( x = 1 \) and \( x = -3 \)
- **x-intercepts** at \( x = -6 \) and \( x = -5 \)
- **y-intercept** at 8
**Solution:**
To find a rational function \( y \) that meets these criteria, use the given conditions:
Given \( y = \frac{18(x+5)(x+6)}{(x-1)(x+3)} \).
- **Numerator \( 18(x+5)(x+6) \):** This part defines the x-intercepts at \( x = -6 \) and \( x = -5 \). The factor of 18 is used to adjust the y-intercept value to 8 (after substituting \( x = 0 \) into the function).
- **Denominator \( (x-1)(x+3) \):** This part defines vertical asymptotes at \( x = 1 \) and \( x = -3 \).
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