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S4 Functions

Authored by Chun Wang Wong

Mathematics

10th Grade

Used 2+ times

S4 Functions
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9 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

g(x) = 4x2x – 9,求 g(2) 的值。

5

53

-3

4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若  g(x)=7x+3g\left(x\right)=\frac{7}{x+3}  ,求  g(1)g(1)\frac{g\left(-1\right)}{g\left(1\right)}   的值。


2

 410-\frac{4}{10}  

1

-1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若  g(x)=kx2+x2kg(x)=kx^2+x-2k   及  g(3)=11g(–3)=11  ,其中k 是一個常數,求k的值。


2

 1411-\frac{14}{11}  

 811-\frac{8}{11}  

 87\frac{8}{7}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 y=3x2+7x2y=–3x^2+7x–2  的圖像的開口方向。


向上

向下

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 y=3x2+7x 2y=–3x^2+7x\ –2  的圖像的y軸截距。


2

 -2

 13\frac{1}{3}  

7

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 y=3x2+7x 2y=–3x^2+7x\ –2  的圖像的x軸截距。


 2  132\ 和\ \frac{1}{3}  

 -2

 13 2-\frac{1}{3}和\ -2  

7

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

求圖像 y=6(x3)2+1y=6\left(x-3\right)^2+1  的頂點

(-3,1)

(3,-1)

(3,1)

(-3,-1)

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