Let lim xx+1 x-3 f(x) = xx+1 Thus function is defined for all real x When x → 3 we just substitute x = 3 in function to find limit f(3) = 33+1 f(3) = 34 f(3) = 81 lim x*+1 = f(3) = 81 x-3 lim xx+1 x*+1 = x-3 : 81

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.8: Linear And Quadratic Functions
Problem 4ST
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Let
lim xx+1
x-3
f(x) = xx+1
Thus function is defined for all real x
When x → 3 we just substitute x = 3 in function to find limit
f(3) =
= 33+1
f(3) = 34
f(3) = 81
lim x*+1 = f(3) = 81
x-3
lim x*+¹ = 81
x→3
Transcribed Image Text:Let lim xx+1 x-3 f(x) = xx+1 Thus function is defined for all real x When x → 3 we just substitute x = 3 in function to find limit f(3) = = 33+1 f(3) = 34 f(3) = 81 lim x*+1 = f(3) = 81 x-3 lim x*+¹ = 81 x→3
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