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Recent questions tagged Relations and functions
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0
answers
f(X) = √(4 - 2x^2). Is this a function. What is the domain? Explain?
asked
Nov 20, 2018
in
Class XII Maths
by
Rahul Saha
Basic
(
25
points)
calculus
relations and functions
0
votes
0
answers
Prove that Cos(x+2) is one one function or onto function
asked
May 22, 2018
in
Class XII Maths
by
Abhishek surana
(
15
points)
relations and functions
0
votes
1
answer
Let f : R - {3/5} → R be defined by f(x) = (3x+2)/(5x-3).
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
0
votes
1
answer
Let f: A → B and g : B → C be the objective function . Then (g o f)-1 is
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
0
votes
1
answer
Let f: R → R be the function defined by f(x) = x3 + 5. Then f-1 (x) is
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
0
votes
1
answer
Which of the following functions from Z into Z are objections ?
asked
Mar 21, 2018
in
Class XII Maths
by
vijay
Premium
(
534
points)
relations and functions
0
votes
1
answer
Let f : R → R be defined by f(x) = 3x2-5 and g:R → by g(x) = x/(x2+1). Then
asked
Mar 21, 2018
in
Class XII Maths
by
vijay
Premium
(
534
points)
relations and functions
0
votes
1
answer
Let f : R → R be defined by f(x) = 1/x.Then f is
asked
Mar 21, 2018
in
Class XII Maths
by
vijay
Premium
(
534
points)
relations and functions
0
votes
1
answer
Let A = {1,2,3,....n} and B = {a,b}. Then the number of surjection from A into B is
asked
Mar 21, 2018
in
Class XII Maths
by
vijay
Premium
(
534
points)
relations and functions
0
votes
1
answer
If the set A contains 5 elements and the set B contains 6 elements,
asked
Mar 21, 2018
in
Class XII Maths
by
vijay
Premium
(
534
points)
relations and functions
0
votes
1
answer
Let A = {1, 2, 3} and consider the relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1,3)}.
asked
Mar 21, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
relations and functions
0
votes
1
answer
Let us define a relation R in R as aRb if a ≥ b. Then R is
asked
Mar 21, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
relations and functions
0
votes
1
answer
If a relation R on the set {1, 2, 3} be defined by R = {(1, 2)}, then R is
asked
Mar 21, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
relations and functions
0
votes
1
answer
The maximum number of equivalence relations on the set A= { 1, 2, 3} are
asked
Mar 21, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
relations and functions
0
votes
1
answer
Consider the non-empty set consisting of children in a family and a relation R defined as aRb if a is brother of b.
asked
Mar 21, 2018
in
Class XII Maths
by
nikita74
(
-1,022
points)
relations and functions
0
votes
1
answer
Let * be binary operation defined on R by a * b = 1 + ab, a, b ∈ R. Then the operation * is
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
0
votes
1
answer
Let * be the binary operation defined on Q.
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
0
votes
1
answer
Functions f, g : R → R are defined, respectively, by f(x) = x2 + 3x + 1, g(x) = 2x - 3, find
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
0
votes
1
answer
Using the definition, prove that the function: A → B is invertible if and only if is both one-one and onto.
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
0
votes
1
answer
Let A = (1, 2, 3, ... , 9} and R be the relation in A x A defined by (a, b) R (c, d) if a+d=b+c for (a, b), (c, d)∈ A x A.
asked
Mar 21, 2018
in
Class XII Maths
by
rahul152
(
-2,844
points)
relations and functions
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