5x+20 ifx<-3 if x>-3 if x = -3 Let f(x)=√x+28 2 Select all that are true: f(-3) is defined. lim f(x) exists. %-3 lim f(x) = f(-3) x-3 The function is continuous at x = -3

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.2: Domain And Range
Problem 59SE: Create a function in which the domain is x2 .
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5x+20
Let f(x)=√x+28
2
if x <-3
if x > -3
if x = -3
Select all that are true:
f(-3) is defined.
lim f(x) exists.
X-3
lim f(x) = f(-3)
x-3
The function is continuous at x = -3
Transcribed Image Text:5x+20 Let f(x)=√x+28 2 if x <-3 if x > -3 if x = -3 Select all that are true: f(-3) is defined. lim f(x) exists. X-3 lim f(x) = f(-3) x-3 The function is continuous at x = -3
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