Let f RR be defined by f(x)=x+√√1-x. Use the definition of limit to prove that lim f(x) = 1. x→1- Let f be a function with domain R, let L be a real number, and let c be a positive real number. Prove that if lim f(x) = L, then lim 7f (cx² x) = 7L. You may not use any limit laws in x→0 x→0 this problem. Work directly from the definitions of these limits only.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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Let f RR be defined by
f(x)=x+√√1-x.
Use the definition of limit to prove that lim f(x) = 1.
x→1-
Transcribed Image Text:Let f RR be defined by f(x)=x+√√1-x. Use the definition of limit to prove that lim f(x) = 1. x→1-
Let f be a function with domain R, let L be a real number, and let c be a positive real
number. Prove that if lim f(x) = L, then lim 7f (cx² x) = 7L. You may not use any limit laws in
x→0
x→0
this problem. Work directly from the definitions of these limits only.
Transcribed Image Text:Let f be a function with domain R, let L be a real number, and let c be a positive real number. Prove that if lim f(x) = L, then lim 7f (cx² x) = 7L. You may not use any limit laws in x→0 x→0 this problem. Work directly from the definitions of these limits only.
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