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Recent questions tagged continuity
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1
GATE EE 2018
asked
Dec 18, 2018
in
Calculus
by
aditi19
Active
(
2.5k
points)

61
views
gate2018analysis
engineeringmathematics
calculus
continuity
differentiability
0
votes
1
answer
2
NIELIT2017 STAsetc119
The function $f(x)=\frac{x^2 1}{x1}$ at $x=1$ is: (A) Continuous and Differentiable (B) Continuous but not Differentiable (C) Differentiable but not Continuous (D) Neither Continuous nor Differentiable
asked
Aug 31, 2018
in
Graph Theory
by
habedo007
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2.4k
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93
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nielitjuly2017
continuity
differentiability
0
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1
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3
CalculusSelf Doubt
Is the function $f(x)=\frac{1}{x^{\frac{1}{3}}}$ continous in the interval [1 0) ?
asked
Jul 17, 2018
in
Calculus
by
Ayush Upadhyaya
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24.9k
points)

109
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engineeringmathematics
calculus
continuity
0
votes
0
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4
Differentiable
Why is a function not differentiable at x=k when f'(x) limits to infinity? Limit can be infinite too?
asked
Jun 25, 2018
in
Mathematical Logic
by
bts
(
149
points)

57
views
calculus
differentiability
continuity
engineeringmathematics
+2
votes
1
answer
5
GATE 2018 Maths  11(Electrical Engineering)
Let $f$ be a realvalued function of a real variable defined as $f(x) = x^{2}$ for $x\geq0$ and $f(x) = x^{2}$ for $x < 0$.Which one of the following statements is true? $f(x) \text{is discontinuous at x = 0}$ ... $f(x) \text{is differentiable but its first derivative is not differentiable at x = 0} $
asked
Feb 21, 2018
in
Calculus
by
Lakshman Patel RJIT
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29.4k
points)

312
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gate2018
engineeringmathematics
calculus
continuity
differentiability
+5
votes
1
answer
6
Continuity
If the function f(x) defined by $\left\{\begin{matrix} \frac{log(1+ ax)  log(1bx)}{x} &, if x \neq 0\\ k & ,if x = 0 \end{matrix}\right.$ is continuous at x = 0, then value of k is A) b  a B) a  b C) a + b D) a  b
asked
Jan 15, 2018
in
Calculus
by
Mk Utkarsh
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34.2k
points)

164
views
calculus
continuity
+1
vote
1
answer
7
MadeEasy Test Series: Calculus  Differentiability
At the point x = 1, the function
asked
Jan 6, 2018
in
Calculus
by
Kuldeep Pal
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1.4k
points)

44
views
madeeasytestseries
calculus
differentiability
continuity
+2
votes
0
answers
8
Continuity and Differentiability of root mod function
1) Consider f(x) = $x^{3/2}$ Check for Differentiability and Continuity. I am getting Cont and Differentiable both. 2) Consider f(x) = $x1^{3/2}$ Check for Differentiability and Continuity. I am getting Cont and Differentiable both. 3) Find the value of $f(x) = \int_{2}^{2}1x^4dx$. I am getting 8/5, but answer is 12.
asked
Dec 31, 2017
in
Calculus
by
Shubhanshu
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(
18.9k
points)

251
views
limits
continuity
function
calculus
0
votes
0
answers
9
Calculus
#Calculus Let f(x)= x^3/2, x€R then A.f is uniformly continuous B.f is Continous but not differentiable ar x=0 C. f is differentiable and f' is continuous D. f is differentiable but f' is discontinuous at x=0 What is the answer and how to solve this kind of questions? My Answer is option D , I want to confirm if my reasoning to this question is correct as im learning calculus now.
asked
Apr 19, 2017
in
Calculus
by
MancunianDevil
(
17
points)

238
views
calculus
#limits
limits
continuity
differentiability
+3
votes
1
answer
10
differentiable
The function is defined as follows. Which of the following is true? (A) f is discontinuous at all (B) f is continuous only at x = 0 and differentiable only at x = 0. (C) f is continuous only at x=0 and non differentiable at all (D) f is continuous at all and non differentiable at all
asked
Mar 1, 2017
in
Calculus
by
firki lama
Junior
(
907
points)

208
views
differentiability
continuity
calculus
+1
vote
1
answer
11
Maths: Limits Que03
given answer is (B) why continuous and differential on 0 ONLY?
asked
Jan 28, 2017
in
Calculus
by
Vijay Thakur
Boss
(
17.3k
points)

313
views
engineeringmathematics
calculus
differentiability
continuity
0
votes
1
answer
12
Test Series
https://gateoverflow.in/?qa=blob&qa_blobid=4549376166631720003
asked
Jan 14, 2017
in
Calculus
by
Shreya Roy
Active
(
4.4k
points)

141
views
continuity
+1
vote
1
answer
13
Continuity
Function f(x) = cos x is (A) Continuous only in [0, π/2] (B) Continuous only in [−π/2, π/2] (C) Continuous only in [−π, π] (D) None
asked
Dec 29, 2016
in
Set Theory & Algebra
by
srestha
Veteran
(
109k
points)

334
views
calculus
continuity
+2
votes
1
answer
14
Maths: Continuity and Differntiability
The function f(x) = 1/(1+x) is____ (A) Differntiable and Continuous (B) Not Differntiable and Not Continuous (C) Continuous but not Differntiable I know this is continuous everywhere because X will always be a positive value, how to check if it's differntiable or not?
asked
Dec 26, 2016
in
Calculus
by
Vijay Thakur
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(
17.3k
points)

925
views
calculus
engineeringmathematics
continuity
0
votes
1
answer
15
Maths: Differentiability
The function y=23x is not differential at x=2/3, please prove it.
asked
Dec 26, 2016
in
Calculus
by
Vijay Thakur
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(
17.3k
points)

464
views
calculus
engineeringmathematics
continuity
+2
votes
1
answer
16
Continuity
What should be the value of a,b and c such that the function defined below is continuous at x=0 ? $f\left ( x \right )=\begin{Bmatrix} \left ( 1+ax \right )^{\frac{1}{x}} & x<0 & \\ b & x=0& \\ \frac{(x+c)^{\frac{1}{3}}1}{x} &x>0 & \end{Bmatrix}$
asked
Dec 20, 2016
in
Calculus
by
ManojK
Boss
(
39k
points)

287
views
calculus
engineeringmathematics
continuity
+11
votes
3
answers
17
GATE2010ME
The function $y=2  3x$ is continuous $∀ x ∈ R$ and differentiable $∀ x ∈ R$ is continuous $∀ x ∈ R$ and differentiable $∀ x ∈ R$ except at $x=\frac{3}{2}$ is continuous $∀ x ∈ R$ and differentiable $∀ x ∈ R$ except at $x=\frac{2}{3}$ is continuous $∀ x ∈ R$ except $x=3$ and differentiable $∀ x ∈ R$
asked
Mar 20, 2016
in
Calculus
by
Anuraag Nayak
(
53
points)

944
views
calculus
gate2010me
engineeringmathematics
continuity
+3
votes
1
answer
18
TIFR2015MathsA8
Let $f(x)=\frac{e^{\frac{1}{x}}}{x}$, where $x \in (0, 1)$. Then on $(0, 1)$. $f$ is uniformly continuous. $f$ is continuous but not uniformly continuous. $f$ is unbounded. $f$ is not continuous.
asked
Dec 19, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

186
views
tifrmaths2015
calculus
continuity
+2
votes
1
answer
19
TIFR2015MathsA7
Let $f$ and $g$ be two functions from $[0, 1]$ to $[0, 1]$ with $f$ strictly increasing. Which of the following statements is always correct? If $g$ is continuous, then $f ∘ g$ is continuous. If $f$ is continuous, then $f ∘ g$ is ... $f ∘ g$ are continuous, then $g$ is continuous. If $g$ and $f ∘ g$ are continuous, then $f$ is continuous.
asked
Dec 19, 2015
in
Set Theory & Algebra
by
makhdoom ghaya
Boss
(
41.2k
points)

115
views
tifrmaths2015
functions
continuity
+3
votes
1
answer
20
TIFR2015MathsA5
Let $f : \mathbb{R} \rightarrow \mathbb{R}$ denote the function defined by $f(x)= (1x^{2})^{\frac{3}{2}}$ if $x < 1$, and $f(x)=0$ if $x \geq 1$. Which of the following statements is correct ? $f$ is not continuous $f$ is continuous but not differentiable $f$ is differentiable but $f'$ is not continuous. $f$ is differentiable and $f'$ is continuous.
asked
Dec 19, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

173
views
tifrmaths2015
continuity
differentiability
+1
vote
0
answers
21
TIFR2014MathsA6
Let $f:\left[0, 1\right]\rightarrow \mathbb{R}$ be a continuous function. Which of the following statements is always true? $\int_{0}^{1} f^{2}(x) \text{d}x = (\int_{0}^{1} f(x) \text{d}x)^{2}$ $\int_{0}^{1} f^{2}(x) \text{d}x \leq (\int_{0}^{1} f(x) \text{d}x)^{2}$ ... $\int_{0}^{1} f^{2}(x) \text{d}x ≰ (\int_{0}^{1} f(x) \text{d}x)^{2}$
asked
Dec 14, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

106
views
tifrmaths2014
continuity
+1
vote
0
answers
22
TIFR2014MathsA4
Let $f$ be the real valued function on $[0, \infty)$ defined by $f(x) = \begin{cases} x^{\frac{2}{3}}\log x& \text {for x > 0} \\ 0& \text{if x=0 } \end{cases}$ Then $f$ is discontinuous at $x = 0$ $f$ ... $f$ is uniformly continuous on $[0, \infty)$ $f$ is not uniformly continuous on $[0, \infty)$, but uniformly continuous on $(0, \infty)$.
asked
Dec 10, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

83
views
tifrmaths2014
continuity
+1
vote
0
answers
23
TIFR2014MathsA2
Let $f : \mathbb{R} \rightarrow \mathbb{R}$ be a continuous bounded function, then: $f$ has to be uniformly continuous There exists an $x \in \mathbb{R}$ such that $f(x) = x$ $f$ cannot be increasing $\lim_{x \rightarrow \infty} f(x)$ exists.
asked
Dec 10, 2015
in
Set Theory & Algebra
by
makhdoom ghaya
Boss
(
41.2k
points)

72
views
tifrmaths2014
continuity
+1
vote
0
answers
24
TIFR2011MathsB4
A bounded continuous function on $\mathbb{R}$ is uniformly continuous.
asked
Dec 9, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

81
views
tifrmaths2011
calculus
continuity
+3
votes
1
answer
25
TIFR2011MathsA25
The function $f(x) = \begin{cases} 0 & \text{if x is rational} \\ x& \text{if x is irrational} \end{cases}$ is not continuous anywhere on the real line.
asked
Dec 9, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

132
views
tifrmaths2011
calculus
continuity
+1
vote
0
answers
26
TIFR2011MathsA21
Any continuous function from the open unit interval $(0, 1)$ to itself has a fixed point.
asked
Dec 9, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

92
views
tifrmaths2011
continuity
+1
vote
1
answer
27
TIFR2011MathsA14
$\log x$ is uniformly continuous on $( \frac{1}{2}, \infty)$.
asked
Dec 9, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

179
views
tifrmaths2011
continuity
+4
votes
3
answers
28
TIFR2010MathsA8
Let $f(x)= x^{3/2}, x \in \mathbb{R}$. Then $f$ is uniformly continuous. $f$ is continuous, but not differentiable at $x=0$. $f$ is differentiable and $f ' $ is continuous. $f$ is differentiable, but $f ' $ is discontinuous at $x=0$.
asked
Oct 11, 2015
in
Calculus
by
makhdoom ghaya
Boss
(
41.2k
points)

385
views
tifrmaths2010
calculus
differentiability
continuity
+22
votes
7
answers
29
GATE2015226
Let $f(x)=x^{\left(\frac{1}{3}\right)}$ and $A$ denote the area of region bounded by $f(x)$ and the Xaxis, when $x$ varies from $1$ to $1$. Which of the following statements is/are TRUE? $f$ is continuous in $[1, 1]$ $f$ is not bounded in $[1, 1]$ $A$ is nonzero and finite II only III only II and III only I, II and III
asked
Feb 12, 2015
in
Calculus
by
jothee
Veteran
(
115k
points)

4.2k
views
gate20152
continuity
functions
normal
+13
votes
2
answers
30
GATE19963
Let $f$ be a function defined by $f(x) = \begin{cases} x^2 &\text{ for }x \leq 1\\ ax^2+bx+c &\text{ for } 1 < x \leq 2 \\ x+d &\text{ for } x>2 \end{cases}$ Find the values for the constants $a$, $b$, $c$ and $d$ so that $f$ is continuous and differentiable everywhere on the real line.
asked
Oct 9, 2014
in
Calculus
by
Kathleen
Veteran
(
59.9k
points)

1.1k
views
gate1996
calculus
continuity
differentiability
normal
descriptive
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