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Class 11 Maths Study Material

An Educational platform for Preparation and Practice Class 11. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 11. This study material help Class 11, Maths students in learning every aspect of Relations and functions . Students can understand Relations and functions concept easily and consolidate their learning by doing Online Practice Tests on Maths,Relations and functions chapter repeatedly till they excel in Class 11, Relations and functions . Free ONLINE PRACTICE TESTS on Class 11, Relations and functions comprise of Hundreds of Questions on Relations and functions , prepared by the highly professionals team. Every repeat test of Relations and functions will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Relations and functions . Attempt ONLINE TEST on Class 11,Maths,Relations and functions in Academics section after completing this Relations and functions Question Answer Exercise.

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Relations and functions

Every is a __.

a) function, relation
b) relation, function
c) Relation, relation
d) None of the above

✔Answer

Correct Answer Is : function, relation

Solution Is :

If f and g are two functions over real numbers defined as f(x) = 8x - 2, g(x) = x⁵ + 4, then find f-g

a) X⁵-6x+6
b) X⁵+8x+6
c) X⁵-8x+6
d) X⁵-8x-6

✔Answer

Correct Answer Is : X⁵-8x+6

Solution Is :

The domain of the function f(x) = √9-x²is:

a) {x∊R: -9 ≥ x≤9}
b) {x∊R: -81 ?x≤3}
c) {x∊R: -3 ?x≤3}
d) {x∊R: 4 ?x≤4}

✔Answer

Correct Answer Is : {x∊R: -3 ?x≤3}

Solution Is :

For a constant function f(x)=k where k is a real number ; {k} is

a) the range of f
b) the co-domain of f
c) the domain
d) None of the above

✔Answer

Correct Answer Is : the range of f

Solution Is :

Let R be the set of real numbers. A function f: R R defined by y = f(x) = x for each x R is called

a) Floor function
b) Ceiling function
c) Modulus function
d) Identity function

✔Answer

Correct Answer Is : Identity function

Solution Is :

If the relation R is from a non-empty set A to non-empty set B, then set B is called ___________ of the relation R.

a) The co-domain
b) The domain
c) The domain
d) the empty set

✔Answer

Correct Answer Is : The co-domain

Solution Is :

If (x+6,y-6)=(6,8) then x and y =

a) x=0 ,y=14
b) x = 14, y=14
c) x = 14, y = 0
d) x=2,y=14

✔Answer

Correct Answer Is : x=0 ,y=14

Solution Is :

For the relation R= {(3,2),(4,3),(6,5),(5,6)} The domain is

a) {1,3,5,6}
b) {2,3,5,6}
c) {1,2,3,4,5,6}
d) {3,4,5,6}

✔Answer

Correct Answer Is : {3,4,5,6}

Solution Is :

Step or greatest integer function is also called as

a) Floor function
b) Ceiling function
c) Modulus function
d) None of the above

✔Answer

Correct Answer Is : Floor function

Solution Is :

If n(A) = 2 and n(B) =3 then find the number of elements in the power set of A × B

a) 128
b) 16
c) 8
d) 64

✔Answer

Correct Answer Is : 64

Solution Is :

❑Permutations and Combinations
❑Sets and their representations
❑statistics
❑Mathematical Induction
❑mathematical reasoning
❑Binomial Theorem
❑Calculus
❑Three Dimensional Geometry
❑Conic Sections
❑Straight Lines
❑Sequence and Series
❑Linear Inequalities
❑Complex numbers and Quadratic equations
❑Relations and functions
❑Trigonometric function
❑Probability

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Class 11 Maths Study Material

Relations and functions

Every______ is a ________.

Correct Answer Is : function, relation

Solution Is :

If f and g are two functions over real numbers defined as f(x) = 8x - 2, g(x) = x5 + 4, then find f-g

Correct Answer Is : X5-8x+6

Solution Is :

The domain of the function f(x) = √9-x2is:

Correct Answer Is : {x∊R: -3 ?x≤3}

Solution Is :

For a constant function f(x)=k where k is a real number ; {k} is

Correct Answer Is : the range of f

Solution Is :

Let R be the set of real numbers. A function f: R R defined by y = f(x) = x for each x R is called

Correct Answer Is : Identity function

Solution Is :

If the relation R is from a non-empty set A to non-empty set B, then set B is called ___________ of the relation R.

Correct Answer Is : The co-domain

Solution Is :

If (x+6,y-6)=(6,8) then x and y =

Correct Answer Is : x=0 ,y=14

Solution Is :

For the relation R= {(3,2),(4,3),(6,5),(5,6)} The domain is

Correct Answer Is : {3,4,5,6}

Solution Is :

Step or greatest integer function is also called as

Correct Answer Is : Floor function

Solution Is :

If n(A) = 2 and n(B) =3 then find the number of elements in the power set of A × B

Correct Answer Is : 64

Solution Is :

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Every is a __.

If f and g are two functions over real numbers defined as f(x) = 8x - 2, g(x) = x⁵ + 4, then find f-g

Correct Answer Is : X⁵-8x+6

The domain of the function f(x) = √9-x²is: