
ฟังก์ชันประกอบ

Quiz
•
Mathematics
•
University
•
Medium
Math PSC
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ให้ f = {(-1,1),(0,4),(1,5)}, g = {(-1,0),(1,4),(2,1)} และ h = {(0,0),(2,-1),(1,2)} foh คือข้อใด
{(0,4),(2,1)}
{(1,2)}
{(-1,2)}
{(0,4),(-1,1)}
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
กําหนดให้ f(x) = x+1 g(x) = x+2 gof ตรงตามข้อใด
(x+2)+1
x+2
x+3
(x+2)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
กําหนด f(x) = และ g(x) = ข้อใดเป็นโดเมนของ f+g
[-3,3]
[-3,0) (0,3]
[0, ]
(- ,-1] [1, )
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
กําหนด f(x+1) = +4x-2 ข้อใดคือ f(x)
-2x-5
+2x+5
+2x-5
-2x+5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
กําหนด (gof)x = 3x +3 ถ้า g(x) = x+3 จงหา (fog)(x)
4x+9
2x+9
3x+9
x+9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
กําหนด f(x) = x+2, g(x) = x และ h(x) = x-2 จงหา(fogoh)(-1)
0
-3
11
9
7.
OPEN ENDED QUESTION
1 min • 1 pt
กําหนด f(x) = 1 เมือ x เป็นจํานวนตรรกยะ f(x) = 0 เมือ x เป็นจํานวนอตรรกยะ ข้อ
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