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Function form4 add maths KBSM

Total questions: 11

Worksheet time: 22mins

Name
Class
Date
1.

Find the value of gh(2).

a)

-9

b)

4

c)

-4

d)

9

2.

Find h(x)

a)

 y=3x2xy=\frac{3x-2}{x}  

b)

h(x)= 3x2x\frac{3x-2}{x}  

c)

 h(x)=3x2x, x0h\left(x\right)=\frac{3x-2}{x},\ x\ne0  

3.

Find the value of x such that h(x)= -5

a)

x=4

b)

x=14x=\frac{1}{4}

c)

x=8x=8

d)

x=12x=\frac{1}{2}

4.

a) Find

 fg(4)fg\left(4\right)  

a)

30

b)

21

c)

33

d)

31

5.

b) g(x)

a)

g(x)=6x+33g\left(x\right)=\frac{6x+3}{3}

b)

g(x)= 6x+3

c)

g(x)= 2x + 1

d)

g(x) = 2x+13\frac{2x+1}{3}

6.

a) Find f(3)

a)

-11

b)

11

c)

-2

d)

7

7.

b) Find the value of k such that  

 2f^{-1}\left(k\right)=f\left(3\right)
 

a)

k= x-5

b)

x = 9

c)

k=4

d)

k=16/5

8.

State the range of the relation.

a)

( w, x,z)\left(\ w,\ x,z\right)

b)

(1,2,3,4)\left(1,2,3,4\right)

c)

(w,x,y,z)\left(w,x,y,z\right)

9.

State the type of the relation between set P and Set Q

a)

many to many relation

b)

many to one relation

c)

one to many relation

d)

one to onerelation

10.

Find gf(x)

a)

10x + 11

b)

10x + 12

c)

10X + 7

11.

Find the value of p such that f(p) = 4

a)

p -3x

b)

p = 2

c)

p = -2

d)

p=12p=\frac{1}{2}