Questions
MAT135H5_F25_ALL SECTIONS 2.4 Preparation Check
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Suppose we know the following information about the functionย ๐ ( ๐ฅ ) :ย ๐ ( โ 1 ) = โ 4 , ๐ ( 2.5 ) = 3 , ๐ ( ๐ ) = 2.4 and ๐ ( 1 ) does not exist lim ๐ฅ โถ โ 1 โ ๐ ( ๐ฅ ) = โ 4 lim ๐ฅ โถ โ 1 + ๐ ( ๐ฅ ) = โ 4 lim ๐ฅ โถ 2.5 + ๐ ( ๐ฅ ) = โ โ lim ๐ฅ โถ ๐ ๐ ( ๐ฅ ) = 0 lim ๐ฅ โถ 8 โ ๐ ( ๐ฅ ) = 3 lim ๐ฅ โถ 8 + ๐ ( ๐ฅ ) = 3.01 ย What does this information tell us about the continuity of ๐ ( ๐ฅ ) ? At ๐ฅ = โ 1 , ๐ ( ๐ฅ ) is/has a [ Select ] jump discontinuity infinite discontinuity continuous discontinuous, but there is not enough information to tell which type there is not enough information to tell anything removable discontinuity . At ๐ฅ = 1 , ๐ ( ๐ฅ ) ย is/has a [ Select ] infinite discontinuity continuous there is not enough information to tell anything jump discontinuity removable discontinuity discontinuous, but there is not enough information to tell which type . At ๐ฅ = 2.5 , ๐ ( ๐ฅ ) ย is/has a [ Select ] continuous discontinuous, but there is not enough information to tell which type removable discontinuity jump discontinuity there is not enough information to tell anything infinite discontinuity . At ๐ฅ = ๐ , ๐ ( ๐ฅ ) ย is/has a [ Select ] there is not enough information to tell anything discontinuous, but there is not enough information to tell which type jump discontinuity continuous infinite discontinuity removable discontinuity . At ๐ฅ = 8 , ๐ ( ๐ฅ ) ย is/has a [ Select ] jump discontinuity there is not enough information to tell anything continuous removable discontinuity infinite discontinuity discontinuous, but there is not enough information to tell which type .
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Step-by-Step Analysis
We are given several one-sided limits and function values for f(x) at specific x-values, and asked to classify the type of continuity (or lack thereof) at each point.
At x = -1:
- We know f(-1) = -4, and the left-hand limit as x approaches -1 is -4, and the right-hand limit as x approaches -1 is -4. Since both one-sided limits exist and equal the function value, the function is continuous at x = -1. There is no discontinuity here, so t......Login to view full explanationLog in for full answers
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Similar Questions
Determine the following statements are True or False. 1) There is no solution of ๐ ๐ฅ + ๐ โ ๐ฅ 2 = 2 on [-2,2]. [ Select ] True False 2) Let f be a continuous function on [0,1] such that 0 < ๐ ( ๐ฅ ) < 1 for all ๐ฅ โ [ 0 , 1 ] . We can conclude that there exists a point ๐ โ [ 0 , 1 ] such that ๐ ( ๐ ) = ๐ . [ Select ] True False 3) If a function f is continuous on [a,b], then there is a c in [a,b] with ๐ ( ๐ ) = ๐ ( ๐ ) + ๐ ( ๐ ) 2 . [ Select ] True False 4) The function ๐ ( ๐ฅ ) = 1 + ๐ฅ 2 ๐ฅ 2 โ 4 has a maximum on [-3,3]. [ Select ] True False
Find numbers a and b, or k, so that f is continuous at every point.
The function [math: f(x)={โ2x+4if x<0,โ4xโ6if x>0]f(x)=\left \{\begin {array}{ll}-2x+4&\text {if }x<0,\\-4x-6&\text {if }x>0\end {array}\right . is continuous.
MTH1010_09_07_4
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