For Exercises 9–20, refer to the sets A , B , C , and D . Determine the union or intersection as indicated. Express the answer in interval notation, if possible. (See Example 2 .) A = { x | x < − 4 } , B = { x | x > 2 } , C = { x | x ≥ − 7 } , D = { x | 0 ≤ x < 5 } A ∩ C
For Exercises 9–20, refer to the sets A , B , C , and D . Determine the union or intersection as indicated. Express the answer in interval notation, if possible. (See Example 2 .) A = { x | x < − 4 } , B = { x | x > 2 } , C = { x | x ≥ − 7 } , D = { x | 0 ≤ x < 5 } A ∩ C
Solution Summary: The author explains the formula used to find the union or intersection of two given sets.
For Exercises 9–20, refer to the sets A, B, C, and D. Determine the union or intersection as indicated. Express the answer in interval notation, if possible. (See Example 2.)
A
=
{
x
|
x
<
−
4
}
,
B
=
{
x
|
x
>
2
}
,
C
=
{
x
|
x
≥
−
7
}
,
D
=
{
x
|
0
≤
x
<
5
}
Kate, Luke, Mary and Nancy are sharing a cake. The cake had previously been divided into four slices (s1, s2, s3 and s4). The following table shows the values of the slices in the eyes of each player. What is fair share to nancy?
S1
S2
S3
S4
Kate
$4.00
$6.00
$6.00
$4.00
Luke
$5.30
$5.00
$5.25
$5.45
Mary
$4.25
$4.50
$3.50
$3.75
Nancy
$6.00
$4.00
$4.00
$6.00
Kate, Luke, Mary and Nancy are sharing a cake. The cake had previously been divided into four slices (s1, s2, s3 and s4). The following table shows the values of the slices in the eyes of each player.
S1
S2
S3
S4
Kate
$4.00
$6.00
$6.00
$4.00
Luke
$5.30
$5.00
$5.25
$5.45
Mary
$4.25
$4.50
$3.50
$3.75
Nancy
$6.00
$4.00
$4.00
$6.00
how much is the cak worth to mary
Kate, Luke, Mary and Nancy are sharing a cake. The cake had previously been divided into four slices (s1, s2, s3 and s4). The following table shows the values of the slices in the eyes of each player. What is the threshold of fair share for Luke?
S1
S2
S3
S4
Kate
$4.00
$6.00
$6.00
$4.00
Luke
$5.30
$5.00
$5.25
$5.45
Mary
$4.25
$4.50
$3.50
$3.75
Nancy
$6.00
$4.00
$4.00
$6.00
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RELATIONS-DOMAIN, RANGE AND CO-DOMAIN (RELATIONS AND FUNCTIONS CBSE/ ISC MATHS); Author: Neha Agrawal Mathematically Inclined;https://www.youtube.com/watch?v=u4IQh46VoU4;License: Standard YouTube License, CC-BY