ความสัมพันธ์ และ ฟังก์ชัน ม.4

Quiz
•
Mathematics
•
KG
•
Medium
Suparak J
Used 241+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
B = {1,4,6} และ C = {0,1,3}
ข้อใดไม่เป็นสมาชิกของ CXB
(3,6)
(4,3)
(0,1)
(1,4)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A = {3,4,6}, B = {2,3,6,8} ถ้า r เป็นความสัมพันธ์ 2 เท่า จาก A ไป B
{(3,6),(4,8)}
{(4,2),(4,8)}
{(3,3),(4,8)}
{(6,3),(8,4)}
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A = {3,4,6}, B={2,3,6,8}
และ
r = {(0,5),(2,3),(4,1)}
ความสัมพันธ์แบบบอกเงื่อนไขคือข้อใด
r = {(x,y) ∈ AXB ∣ x+y = 5}
r = {(x,y) ∈ AXB ∣ x+y = 3}
r = {(x,y) ∈ BXA ∣ x+y = 5}
r = {(x,y) ∈ BXA ∣ x+3 = y}
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
จงหาโดเมนและเรนจ์ของ
r = {(0,1),(2,-1),(-3,5),(4,-1)}
Dr = {-1,1,5}
Rr = {-4,-2,0,3}
Dr = {-4,-2,0,3}
Rr = {-1,1,5}
Dr = {-1,1,5}
Rr = {-3,0,2,4}
Dr = {-3,0,2,4}
Rr = {-1,1,5}
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ข้อใดไม่เป็นฟังก์ชัน
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ข้อใดเป็นฟังก์ชัน
{(0,-1),(0,2),(0,3),(0,5)}
{(-1,0),(0,2),(3,7),(3,9)}
{(1,2),(2,6),(3,-4),(4,0)}
{(2,6),(0,-2),(2,4),(-3,6)}
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
f(x) = {(0,-1),(1,3),(2,4),(3,5),(5,2)} แล้ว f(3)+f(5) คือข้อใด
5
7
9
12
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A = {3,4,6,8} , B = {-1,0,2}
ฟังก์ชันจาก A ไป B คือข้อใด
{(3,-1),(6,2),(0,4)}
{(-1,4),(3,2),(6,0)}
{(0,3),(2,4),(3,2)}
{(3,-1),(4,0),(6,-1),(8,0)}
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