16 Answered Questions for the topic Relations

03/14/22

Describe the equivalence class
Let R be the relation on Z × (Z \ {0}) defined by (a, b)R(c, d) if and only if ad = bc. Show that R is an equivalence relation on Z × (Z \ {0}) and describe the equivalence class [(0, 1)]
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03/13/22

Discreete math question
Let R be the relation Z defined by aRb if and only if a^2=b^2. Show that R is an equivalence relation on Z and determine its distinct equivalence classes.
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11/29/21

Relation Maths Question
Prove that the relation ℝ ={(a,b) | a divides b} {Z}^+ is not an equivalence relation. ( 4 marks )
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11/29/21

Relation Math Question
Let R = {(a,b)∣a divides b} be a relation on the set {Z}^+Which of the following statements are correct? Tick all the corresponding answers.a) R ⊆ Z^+ × Z^+b) R is reflexive.c) R is... more
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Relations Discrete Math

11/29/21

Relation Math Question
Let R1​={(a,1),(b,1),(c,1)} be a relation on the set {1,2,3,4,5,a,b,c}, and let R2​={(1,2),(2,3),(1,3),(1,1)} be a relation on the set {1,2,3}.Which of the following statements are correct? Tick... more
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03/23/21

HELP ASAP PLEASE ! algerbra 2, finding inverses functions and relations help
4) Given f(x)=2x−3 and its inverse f−1(x)=x+32, find the following functions:  a) [f∘f−1](x)                   b) [f−1∘f](x)                5) Given f(2)=5, f(5)=7, and f(7)=12, what is the value... more
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04/14/18

Does each set of points have a linear relationship? (-6,-4),(-5,-2), (-4,0),(-3,2)
 How can I solve this without using a graph? 
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02/27/17

how dose doublimg the side length of a right triangle affects its perimeter
how dose doublimg the side length of a right triangle affects its perimeter\    
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Relations Math Slopes Intercepts

07/19/16

Intercepts and Slopes
For your birthday you were given a Transat Air gift card for $100. You can purchase any combination of regular tickets at $10 each and VIP tickets at $15 each. A) If you buy 4 regular tickets,... more
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Relations Mathematics

07/17/16

Linear Relations
x y4 26 38 410 512 6   x goes up by +2 each time. y goes up by +1 each time.   For this linear relation, develop the equation for the relation.
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Relations Graph

07/17/16

Relations Graph
Maria wants to find out whether taller people can jump higher.She asks people in the street what their height is, and then she measures how high they can jump.She puts her data in a table:Height of... more
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05/29/16

Functions ..... pls do help.... questions are in the description
1)-Let f(x)=|x^2-9|-|x-a|. Then the number of integers in the range of a do that f(x)=0 has 4 distinct real root is k . Then find the sum of the digit of K. Ans-8 2)-Find the sum of all integral... more
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Relations Functions

04/02/15

write an equation that describes the function
0,0   1,3   2,6   3,9
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04/02/15

write a function rule for the statement.
The input is eight less than the output.       the output is double the input.
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Relations

06/07/14

Analyze the following relation R defined on the set of all people.
 Analyze the following relation R defined on the set of all people. Determine whether R is an equivalence relation. Specify which of the relations are reflexive, symmetric, antisymmetric and/or... more
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Relations

05/09/14

Relation problem
Find the inverse of the relation (-9,-8),(1,-6)
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