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Recent questions tagged composition of function
+1
vote
1
answer
Let y = g(x) be the inverse of a bijective mapping f : R → Rf(x) = 3x^3 + 2x.
asked
Feb 28, 2019
in
Class 12
by
kratos
class-11
class-10
relations and functions
kcet
class-12
composition of function
+2
votes
1
answer
Let f : [0, π] → R be defined as f (x) = { sin x if x, if x is irrational and x ∈ [0,π] ,f(x) = {tan^2 x if x is irrational and x ∈ [0, π]
asked
Feb 25, 2019
in
Class 12
by
kratos
class-11
kvpy
limits and continuity
class-10
class-12
composition of function
+2
votes
1
answer
If function f : R → R be defined by f(x) = (3 - x^3)^1/3, then fof(x) is : - (a) x^1/3 (b) x^3 (c) (3 - x^3) (d) x
asked
Feb 16, 2019
in
Class 12
by
kratos
class-12
class-10
relations and functions
composition of function
+3
votes
1
answer
Let f(x) = αx/(x + 1), x ≠ - 1. Then, for what value of α is f[f(x)] = x? (a) √2 (b) - √2
asked
Jan 23, 2019
in
JEE
by
kratos
jee
class-10
jee mains
functions
composition of function
+3
votes
1
answer
Which vital function is not performed by autosomes?
asked
Dec 31, 2018
in
Physics
by
kratos
ncc
class 10
modern physics
icse
chemical reactions and equations
current electricity
composition of function
+3
votes
1
answer
Let f(x) = x^2 ; g(x) = 2x + 1 be two real functions.
asked
Nov 24, 2018
in
Class 12
by
kratos
class-11
class-10
relations and functions
functions
class-12
composition of function
+2
votes
1
answer
If f(x) = {x,when x is rational,1-x,when x is irrational, then fof(x) is given as
asked
Nov 20, 2018
in
JEE
by
kratos
jee
relations and functions
class-10
jee mains
composition of function
sets
+2
votes
1
answer
Let f: [0, 1] → [1, 2] defined as f(x) = 1 + x and g : [1, 2] → [0, 1] defined as g(x) = 2 – x then the composite function g of is
asked
Nov 8, 2018
in
JEE
by
kratos
jee
class-10
functions
jee mains
composition of function
+1
vote
1
answer
Let f(x) = loge(sin x), (0 < x < p) and g(x) = sin–1 (e–x ), (x ≥ 0). If α is a positive real number such that a = (fog)' (α) and b = (fog) (α),
asked
Sep 26, 2018
in
JEE
by
kratos
cbse
class-11
jee mains 2019
class-10
relations and functions
functions
class-12
composition of function
+1
vote
1
answer
If X = {1, 2, 3, 4, 5} and Y = {1, 3, 5, 7, 9}. The set defined by F={(x,y) : y = x + 2} is a (a) mapping
asked
Jul 21, 2018
in
Class 12
by
kratos
relations and functions
class-10
kcet
functions
class-12
composition of function
+2
votes
1
answer
What is the bond angle (HOH) in a water molecule ?
asked
Jun 22, 2018
in
Class 12
by
kratos
neet
haloarenes
nmtc
jee
haloalkanes
aldehydes ketones and carboxylic acids
class-10
jee mains
composition of function
+3
votes
1
answer
If the function f, g, h are defined from the set of real numbers
asked
Jun 18, 2018
in
Class 12
by
kratos
class-11
function
relations and functions
class-10
functions
class-12
composition of function
+2
votes
1
answer
If f(x) = |x|, prove that fof = f.
asked
Jun 11, 2018
in
JEE
by
kratos
jee
class-10
jee mains
functions
class-12
composition of function
+3
votes
1
answer
Let f(x)= x^2, g(x) = 2x + 1 be two real functions. Find (i) (f + g) (x) (ii) (f – g)(x)
asked
Feb 22, 2018
in
Class 12
by
kratos
class-11
class-10
relations and functions
functions
class-12
composition of function
+1
vote
1
answer
If α, β are the roots of the equation x^2 + αx + β = 0 such that α ≠ β and ||x – β| – α| < α, then
asked
Jan 31, 2018
in
JEE
by
kratos
nda
class-11
jee
jee mains 2019
class-10
jee mains
limit
class-12
differentiability
continuity
composition of function
+1
vote
1
answer
If fog(x) = 1 - x, ∀ x ∈ R and fof(x) = 1+ sin(f(x)), ∀ x ∈ R, then
asked
Jan 25, 2018
in
JEE
by
kratos
jee mains 2019
class-10
relations and functions
class-12
composition of function
+1
vote
1
answer
Let f : R → R and g : R → R be defined by f(x) = x + 1, g(x) = 2x – 3, find (f + g)(x),(f – g)(x) and (f/g)(x)
asked
Jan 14, 2018
in
JEE
by
kratos
jee advanced 2020
jee main 2021
class-11
jee
class-10
relations and functions
jee main
functions
class-12
composition of function
+2
votes
1
answer
If f : R → R such that f(x) : (3 - x^3)^1/3 then prove that (fof) (x) = x.
asked
Jan 11, 2018
in
Class 12
by
kratos
class-12
class-10
relations and functions
composition of function
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