true or false questions . but please explain why. important 1- for all functions y=f(x) defined on [0,1], the set (f[0,1]) is a bounded set 2- all functions that are continuous on (0,1] are bounded 3- if y=f(x) is an increasing function on the interval (a,b), and the set {f(x):a{0,1} and I is an interval on which f has both values, then f has a discontinuity in I . 5- if the limit of a function at x=c is 5 , then f(c)=5 6- the function y=f(x) is defined as follows: f(x)=3+ [sin(x-2)/(x-2)] if x≠2 and f(2)=4. then y=f(x) is continuous at all real numbers x.
true or false questions . but please explain why. important 1- for all functions y=f(x) defined on [0,1], the set (f[0,1]) is a bounded set 2- all functions that are continuous on (0,1] are bounded 3- if y=f(x) is an increasing function on the interval (a,b), and the set {f(x):a{0,1} and I is an interval on which f has both values, then f has a discontinuity in I . 5- if the limit of a function at x=c is 5 , then f(c)=5 6- the function y=f(x) is defined as follows: f(x)=3+ [sin(x-2)/(x-2)] if x≠2 and f(2)=4. then y=f(x) is continuous at all real numbers x.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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true or false questions . but please explain why. important
1- for all functions y=f(x) defined on [0,1], the set (f[0,1]) is a bounded set
2- all functions that are continuous on (0,1] are bounded
3- if y=f(x) is an increasing function on the interval (a,b), and the set {f(x):a<x<b} is also an interval, then y=f(x) is continuous on (a,b)
4- if f:R->{0,1} and I is an interval on which f has both values, then f has a discontinuity in I .
5- if the limit of a function at x=c is 5 , then f(c)=5
6- the function y=f(x) is defined as follows: f(x)=3+ [sin(x-2)/(x-2)] if x≠2 and f(2)=4. then y=f(x) is continuous at all real numbers x.
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