NCERT 2022 | संबंध एवं फलन - L9 | Relation and function | Hindi Medium | Akshay Sir | 6 PM

Which of the folllowing option is true related to production and functions of a molecule which is a glycoprotein and represented as H_2L_2 . ltimg src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/ALN_BIO_C13_E09_018_Q01.png" width="80%"gt

Which of the following relations are functions from A to B write their domain and range if it is not a function give reason ? f:A rarr B is defined by f={(1,-2),(3,7),(5,6),(9,0)},A={1,3,5,9},B={-2,7,-6,0,1,2}

Which of the following relations are functions? Give reason. If it is a function, determine its domain and range. (i) R= {(2,1), (3,1), (4,2), (5,7), (6,9)} (i) R = {(2,2), (2,4),(3,3),(4,4),(5,8)} (iii) R={(1,3),(1,5),(2,5),(3,6),(3,7)}

Students of Grade 9, planned to plant saplings along straight lines, parallel to each other to one side of the playground ensuring that they had enough play area. Let us assume that they planted one of the rows of the saplings along the line y=x-4 . Let L be the set of all lines which are parallel on the ground and R be a relation on L. Answer the following using the above information. The function f:RtoR defined by f(x)=x-4 is _______

2 P J @ 8 $ L B 1 V # Q 6 delta G W 9 K C D 3 © • ₤ 5 F R 7 A Y 4. Four of the following five are similar in relation to their positions in the above sequence and hence form a group Which one does not belong to that group ?

Express each relation in the form of ordered pair and check whether is it a function or not? (i) f={(x,y): y=3x, x in {1,2,3}, y in {3,6,9,12}} (ii) g={(x,y): y gt x + 1 , x in {1,2}, y in {2,4,6}} (iii) h={(x,y): x+y=3,x,y in {0,1,2,3}}