แบบฝึกเรื่องฟังก์ชัน
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
supol nilklang
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ความสัมพันธ์ในข้อใด ไม่เป็นฟังก์ชัน
{(x,y)∈ RxR | x2 + y2-9 = 0}
{(x,y)∈ RxR | y = √(x-3) +1 = 0}
{(x,y)∈ RxR |y-9 = x }
{(x,y)∈ RxR | x2 -9 = y }
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ความสัมพันธ์ในข้อใดเป็นฟังก์ชัน
{ (3,a),(4,b),(-3,a),(-4,b)}
{ (3,a),(4,b),(3,b),(-4,b)}
{ (3,a),(-4,b),(-3,a),(-4,b)}
{ (3,a),(4,b),(3,-a),(-4,b)}
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
กำหนดให้ F(x) = 2x +5 จงหาค่าของ ( F(x-1) + F(x+2))/(F(4) - F(1)) ตรงกับข้อใด
(2x + 2)/3
(2x - 2)/3
2x/3 + 2
2x/3 - 2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
กำหนดให้ F(4-x) = x2 + 2x - 3 แล้วค่าของ F(x+3) ตรงกับข้อใด
x2 + 4x -1
x2 + 4x
x2 - 4x -1
x2 - 4x
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
กำหนดให้ F(x) = x2 - 3 , -5 ≤ x < 3 แล้ว DF และ RF มีค่าตรงกับข้อใด
DF = [-5 , 3) , RF = [-3 , 22)
DF = [-5 , 3] , RF = [-3 , 22)
DF = [-5 , 3) , RF = [-3 , 22]
DF = [-5 , 3] , RF = [-3 , 22]
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ถ้า F(x) = |x +2|-3 เมื่่อ -4 ≤ x ≤ 5 แล้ว DF และ RF ตรงกับข้อใด
DF = (-4,5) , RF = (-3,4)
DF = (-4,5) , RF = (-3,4]
DF = [-4,5) , RF = [-3,4)
DF = [-4,5] , RF = [-3,4]
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
กำหนดให้ A = {0,1,2,5,6} และ B = {0,1,2,3} ข้อใดเป็นฟังก์ชันจาก A ไป B
F = {(x,y)∈AxB| y = x-3}
F = {(x,y)∈AxB| y = |x-3|}
F = {(x,y)∈AxB| y = |x+2|}
F = {(x,y)∈AxB| y = x+2}
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