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函數與函數的極限

Authored by 胡馨尹xinyinhu 胡馨尹xinyinhu

Mathematics

9th - 12th Grade

Used 2+ times

函數與函數的極限
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 3 pts

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D

E

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

合成函數 f∘g(x)= f(g(x))f\circ g\left(x\right)=\ f\left(g\left(x\right)\right) 與 g∘f(x)= g(f(x))g\circ f\left(x\right)=\ g\left(f\left(x\right)\right)

兩者相等

兩者不相等

3.

MULTIPLE SELECT QUESTION

3 mins • 5 pts

關於「偶函數」下列敘述哪些正確?

f(x)=5x4+3 f\left(x\right)=5x^4+3\ 為偶函數

f(x)=−x4+3x2f\left(x\right)=-x^4+3x^2 為偶函數

f(x)=x6+2xf\left(x\right)=x^6+2x 為偶函數

偶函數的函數圖形
「對稱於 y 軸」

若 f(x)f\left(x\right) 為偶函數,則 f(a)=f(−a)f\left(a\right)=f\left(-a\right)

4.

MULTIPLE SELECT QUESTION

3 mins • 5 pts

關於「奇函數」,下列敘述哪些正確?

f(x)=x3+xf\left(x\right)=x^3+x 為奇函數

f(x)=x3+1f\left(x\right)=x^3+1 為奇函數

f(x)=sin⁡ xf\left(x\right)=\sin\ x 為奇函數

奇函數的函數圖形對稱於「原點」

若 f(x)f\left(x\right) 為奇函數,則 f(−a)=−f(a)f\left(-a\right)=-f\left(a\right)

5.

MULTIPLE CHOICE QUESTION

3 mins • 3 pts

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A

B

C

D

E

6.

MULTIPLE CHOICE QUESTION

3 mins • 3 pts

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A

B

C

D

E

7.

MULTIPLE CHOICE QUESTION

3 mins • 3 pts

極限 lim⁡x→−1((2x+1)9+3)\lim_{x\rightarrow-1}\left(\left(2x+1\right)^9+3\right) 的值為?

-6

-1

2

3

不存在

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