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# Relations and Functions MCQ CBSE Maths 12 Science Answers in English

Relations and Functions MCQ CBSE Maths 12 Science Answers in English to enable students to get Answers in a narrative video format for the specific question.

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## Similar Questions from CBSE, 12th Science, Maths, Relations and Functions

Question 1 : Consider given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

Question 2 :  If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) . (View Answer Video)

Question 3 : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)

Question 4 : A function is bijective if and only if, (View Answer Video)

Question 5 :  * is a binary operation on Z such that: a * b = a + b + ab. The solution of (3* 4) *x = – 1 is,

### Linear Programming

Question 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

### Continuity and Differentiability

Question 1 : Differentiate w.r.t.x the function , for some constant a and b. (View Answer Video)

Question 2 : Differentiate the function with respect to x. (View Answer Video)

Question 3 : Using the fact that and the differentiation, obtain the sum formula for cosines. (View Answer Video)

Question 4 : Find for the function . (View Answer Video)

Question 5 : Differentiate the function w.r.t.x . (View Answer Video)

### Application of Derivatives

Question 1 : The radius of an air bubble is increasing at the rate of . At what rate is the volume of the bubble increasing when its radius is 1 cm? (View Answer Video)

Question 2 : The normal at the point (1, 1) on the curve is; (View Answer Video)

Question 3 : For all real values of x, the minimum value of is  (View Answer Video)

Question 4 : If the radius of a sphere is measured as 9 m with an error of 0.03 m, then find the approximate error in calculating its surface area. (View Answer Video)

Question 5 : If then the approximate value of f(3.02) is : (View Answer Video)