Continuity of a Function

IMPORTANT

Continuity of a Function: Overview

This topic covers concepts, such as Ways to Remove a Removable Discontinuity, Isolated Point Discontinuity, Jump of Non-Removable Discontinuity, Continuity of a Discrete Function, Removable and Non-Removable Discontinuities, etc.

Important Questions on Continuity of a Function

MEDIUM
IMPORTANT

Find the value of p and q for which the function

fx=sinp+1xsinxx,   x<0q                      x=0x+x2-xx32,       x>0

is continuous for all x in R,

HARD
IMPORTANT

Let gx  be a polynomial of degree one and fx  be a continuous and differentiable function defined by fx=gx,x01+x2+x1x,x>0. If f'1=f'-1, then

HARD
IMPORTANT

If  f x = [ x + x + x sin x for x 0 0 for x = 0 where x denotes the fractional part function, then:

EASY
IMPORTANT

Choose the correct statement on the continuity of the function f given by  fx=x,if x0x2,if x<0at x=0

MEDIUM
IMPORTANT

Choose the correct comment explaining the continuity of the function f defined by   f( x )={ x+2, ifx<1 0, ifx=1 x2, ifx>1 at x=1.

EASY
IMPORTANT

 

If   f(x)={ x 2 25 x5 , whenx5 k, whenx=5   is continuous at   x=5,   then

MEDIUM
IMPORTANT

If the function f(x)=ax+bx<0ex0x3-12ax>3

is continuous, then (a, b)=

MEDIUM
IMPORTANT

Consider f:(-1,1) defined by fx=x2+x3. Then

MEDIUM
IMPORTANT

limx0+[x]+limx0-[x] is equal to, where · represents greatest integer function

MEDIUM
IMPORTANT

The number of values of a for which the function f: defined by

sinaxx, if x<0ax-a, if x0 

is continuous, is

HARD
IMPORTANT

Let f: be defined by fx=x+1,x00,otherwise and gx=x2. Which of the following statements is TRUE ?

HARD
IMPORTANT

If f: is defined by fx=x-1x-1, then

EASY
IMPORTANT

Let the function f: be defined by fx=kx,xπcosx,otherwise. If f is continuous at all x, then k is equal to

MEDIUM
IMPORTANT

Let f:0,2 be defined by fx=x-x+12, where x denotes the greatest integer less than equal to x. At how many points of 0,2, is f discontinuous ?

HARD
IMPORTANT

An example of a function which is continuous but not differentiable is

HARD
IMPORTANT

Consider the function fx=x112x. The value of f2 so that f is continuous at x=2 is -

EASY
IMPORTANT

Function fx=cos1x has oscillatory discontinuity at point x=0.

EASY
IMPORTANT

Function fx=sin1x has oscillatory discontinuity at point x=0.

EASY
IMPORTANT

Define the oscillatory discontinuity with one example.

EASY
IMPORTANT

This is the graph of a function hx.

Question Image

Find the x-value at which hx has an isolated point discontinuity.