
ความสัมพันธ์และฟังก์ชัน
Authored by ครูสุวิทย์ ครูสุวิทย์
Mathematics
5th Grade
Used 68+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ให้ A = {1,2,3} และ B = {a,b} จงหา B x A
{(1,a),(1,b),(2,a),(2,b),(3,a),(3,b)}
{(1,a),(1,b),(2,a),(2,b),(3,a)}
{(1,a),(2,a),(3,a)}
{(a,1),(a,2),(a,3),(b,1),(b,2),(b,3)}
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ให้ r1 = {(1,2),(2,3),(3,4),(4,5),(5,6)} จงหาโดเมนของความสัมพันธ์
{1,2,3,4,5}
{2,3,4,5,6}
{1,2,3,4}
{2,3,4,6}
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ให้ r1 = {(1,2),(2,3),(3,4),(4,5),(5,6)} จงหาเรนจ์ของความสัมพันธ์
{1,2,3,4,5}
{2,3,4,5,6}
{1,2,3,4}
{2,3,4,6}
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ความสัมพันธ์ในข้อใดเป็นฟังก์ชัน
r = {(1,2),(2,2),(4,-3),(5,4)’(9,4)}
r = {(2,3),(3,4),(4,6),(2,-9),(4,-5)}
r = {(1,4),(6,5),(7,8),(6,-9),(8,10)}
r = {(a,1),(a,2),(b,3),(c,4)}
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ให้ r = {(1,2),(2,3),(4,7),(7,8)} ความสัมพันธ์ผกผันตรงกับข้อใด
{(2,1),(3,2),(4,7)),(8,7)}
{(2,1),(3,2),(7,4),(7,8)}
{(2,1),(3,2),(7,4),(8,7)}
{(1,2),(3,2),(7,4),(8,7)}
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ให้ r = {(1,2),(2,3),(4,7),(7,8)} โดเมนของความสัมพันธ์ผกผันตรงกับข้อใด
{2,3,7,8}
{1,2,4,7}
{3,4,7,9}
{1,3,5,7}
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ให้ r = {(1,2),(2,3),(4,7),(7,8} เรนจ์ของความสัมพันธ์ผกผันตรงกับข้อใด
{2,3,7,8}
{1,2,4,7}
{3,4,7,9}
{1,3,5,7}
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