แบบทดสอบ ม.4 เรื่อง ความสัมพันธ์และฟังก์ชัน
Authored by Thanat Thanat
Mathematics
10th Grade
Used 18+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
จากภาพ r คือความสัมพันธ์ในข้อใด
A × B
{ (1, a), (2, b), (3, b), (4, d) }
{ (a, 1), (b, 2), (b, 3), (d, 4) }
{ (1, a), (2, b), (3, c), (4, d) }
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
กำหนดให้ A = { 3, 6, 9 } และ B = { c, d }
{ (3, c), (3, d), (6, c), (6, d), (9, c), (9, d) }
{ (3c), (3d), (6c), (6d), (9c), (9d) }
{ (c, 3), (c, 6), (c, 9), (d, 3), (d, 6), (d, 9) }
{ (c3), (c6), (c9), (d3), (d6), (d9) }
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
จงหา B A
{ (2, 1), (2, 3), (4, 1), (4, 3) }
{ (1, 2), (1, 4), (3, 2), (3, 4) }
{ (1, 2), (1, 4), (2, 3), (4, 3) }
∅
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
n = { (-1, 2), (0, 3), (1, -1), (2, -2), (3, -1) } จงหาเรนจ์ของ n
Rn = { -1, 0, 1, 2, 3 }
Dn = { -1, 0, 1, 2, 3 }
Rn = { -1, 0, 1 }
Rr = { -1, 0, 1 }
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
n = { (-1, 2), (0, 3), (1, -1), (2, -2), (3, -1) } จงหาโดเมนของ n
Dn = { -1, 1, 2, 3 }
Dn = { -1, 0, 1, 2, 3 }
Dn = { 0, 1, 2, 3 }
Rn = { -1, 0, 1, 2, 3 }
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A×B = { (3, 2), (3, 4), (3, 5), (5, 2), (5, 4), (5, 8), (7, 2), (7, 4), (7, 8) }
r = { (3, 4), (3, 5), (5, 8), (7, 8) }
r = { (3, 2), (3, 5), (5, 4), (7, 8) }
r = { (3, 2), (5, 2), (7, 2), (7, 4) }
r = { (3, 4), (3, 5), (5, 8) }
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
จงหาจำนวนสมาชิกของ C D
6
9
12
15
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