Learn Mathematics Relations and Functions, NDA Exam Mathematics Relations and Functions Exercise, Free Online Relations and Functions Lessons

NDA Exam Mathematics Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Mathematics Relations and Functions for NDA Exam student. This free online Mathematics study material for NDA Exam will help students in learning and doing practice on Relations and Functions topic of NDA Exam Mathematics. The study material on Relations and Functions, help NDA Exam Mathematics students to learn every aspect of Relations and Functions and prepare themselves for exams by doing online test exercise for Relations and Functions, as their study progresses in class. Kidsfront provide unique pattern of learning Mathematics with free online comprehensive study material and loads of NDA Exam Mathematics Relations and Functions exercise prepared by the highly professionals team. Students can understand Relations and Functions concept easily and consolidate their learning by doing practice test on Relations and Functions regularly till they excel in Mathematics Relations and Functions.

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 :

❏Computer Practice +

❏English Practice +

❏General Knowledge Practice +

❏Logical Reasoning Practice +

❏Quantitative Aptitude Practice +

NDA Exam Mathematics 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 :

Kids Learning

Academics

Competitive Exams

Govt. Jobs Exams

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: