Institutional Repository | Satya Wacana Christian University: Pemahaman Konsep Fungsi pada Siswa SMP Negeri 01 (RSBI) Salatiga

(take your name here)
(Your absent)

SECOND TEST
Do individually, no right or w rong answ er, all of your answ er is your choice, it
depends on your ow n know ledge.
1.

2.

With your ow n w ord, try to define it

1

2

2

3

3

4

Write dow n the image set of {-1, 0, 1, 2, 3} under the mapping x  x .
2

For number 3 – 5 Look at t he formula

:

→

3.

X is representing for ………

4.

Y isrepresenting for ………

5.

So, w rite dow n your sentences how to spell the formula above!

6.

Write dow n the image set of {0, 1, 3, 5, 7} under the m apping x  3x – 5 .

7.

A farmer has some hens and some rabbits. Togetherthese animals have 50
heads and 140 feet. How many hens and how many rabbits does the
farmer have?

8.

Tw o kind of function f : X Y and g : X Y called same if f = …….

9.

What is domain?

10. A man w ishes to drain his sw imming pool. The pool holds 3600 liters of
w ater. If he opens his 3 drainage pipes, they w ill empty the pool at a rate
of 8 liters a minute. How long w ill it take to empty the pool?
11. How many sons that M rAdi have, if w e use one by one corespondention if
he has 7 daughter in law ?
12. cDraw relation-chart t hat used to related each part member of group than
associated all w ith your ow n ideas !

Group A

Group B

13. Look at the relation-chart!
f

Banjarmasin
Samarinda
Palangkaraya

Pontianak

South Borneo
East Borneo
M iddle Borneo
West Borneo

g

If relation “is the capital city of” has noted w ith f and relation “the capital
city of ………….province is” has noted w ith g. So, do you think that it is a
Relation of Function?
14. Try to draw the function if you know that
Allan’s hobby is sw imming
Darell’s hobby is futsal
Eric’s hobby is sw imming and futsal

Is it true function?
15. What is range?
16. A : {3,4,5,6,7} and B : {4,5,6}. Draw the relation graph t hat related group A

w ith group B use ”A one bigger than B”
17. What is codomain?
18. A : {3,4,5,6,7} and B : {4,5,6}. Draw the relation graph t hat related group A
w ith group B use ”A is the factor from B”
19. From the chart , choose the real function!
1

A
B
C

2
Chart 1

20. Give the possible name for it function

1

A
B

C

2
chart 2

A
B
C

1
2
chart 3

21. From the question number 20, find the domain, codomain, and range !
22. Do you agree w ith polygamy (having more than 1 w ife) is true if you study
about function?
2

23. g : x → x + 2 w ith domain {x | – 4