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Chapter 1

Authored by Chanidaporn Pleum

Mathematics

University

Used 3+ times

Chapter 1
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15 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ให้ A={1, 2, 3, ...,20} และ B={-5, -4, -3} จงหา n(A×B)n\left(A\times B\right)

60

30

20

10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ให้ A={1, 2, 3, ...,15} และ B={-2, -1} จงหา n(A×B)n\left(A\times B\right)

30

15

10

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ให้ A={1, 2, 3, ...,25} และ B={-3, -2, -1} จงหา n(A×B)n\left(A\times B\right)

25

15

75

50

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ให้ A={1, 2, 3, ...,30} และ B={-4, -3} จงหา n(A×B)n\left(A\times B\right)

60

90

120

30

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงพิจารณาว่าเซตใดต่อไปนี้เป็นฟังก์ชัน

A={(1, 2), (2, 2), (3, 2), (4, 2)}

A={(2, 1), (2, 2), (2, 3), (2, 4)}

A={(1, 1), (3, 2), (2, 3), (2, 4)}

A={(3, 1), (3, 2), (2, 3), (1, 4)}

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ให้ (2, x) = (2, -3) แล้ว x มีค่าเท่าใด

-3

2

-1

1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ข้อใดต่อไปนี้ ไม่ใช่ ฟังก์ชัน

{(1, 3), (1, 4), (2, 5)}

{(1, 2), (2, 4), (3, 4)}

y=x2y=x^2

y=1xy=\frac{1}{x}

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