√√-x-6 if x < -1 Let g(x)=2x-3 if-1

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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5
√x-6
if x < -1
Let g(x)=2x-3
if-1<x<4
6-e-4
if x ≥ 4
a)
Give the domain of the function.
b)
Is this function continuous on (4,∞)? Explain.
c)
Use the definition of continuity to explain why this function is not
continuous at x = -1.
d)
e)
Describe the type of discontinuity at x=−1, explain your answer.
Use the definition of continuity to show that the function is continuous.
(10)
at x = 4.
Transcribed Image Text:5 √x-6 if x < -1 Let g(x)=2x-3 if-1<x<4 6-e-4 if x ≥ 4 a) Give the domain of the function. b) Is this function continuous on (4,∞)? Explain. c) Use the definition of continuity to explain why this function is not continuous at x = -1. d) e) Describe the type of discontinuity at x=−1, explain your answer. Use the definition of continuity to show that the function is continuous. (10) at x = 4.
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