Assigment Math.docx

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DIPLOMA IN INFORMATION TECHNOLOGY

SEMESTER JANUARI / TAHUN 2019

CDMA 2103

MATHEMATICS FOR INFORMATION TECHNOLOGY

NAMA

:

ATIF ARAFAT BIN NOOR FAUZI

NO. MATRIKULASI

:

900307115181001

NO. KAD PENGNEALAN

:

900307115181

NO. TELEFON

:

01133500911

E-MEL

:

[email protected]

NAMA TUTOR

:

MOHD KHAIRI BIN MUDA

PUSAT PEMBELAJARAN

:

PP TERENGGANU

Isi kandungan No.

Deskripsi

Muka

1.

Jawapan soalan 1

2

2.

Jawapan soalan 2

3

3.

Jawapan soalan 3

4

4.

Jawapan soalan 4

5

1

1. a)

(A ∪ B)’ → A ∪ B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} Maka (A ∪ B)’ = {11, 12, 13, 14, 15}

b)

(B ∩ C)’ → B ∩ C = {9} Maka (B ∩ C)’ = { 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 }

c)

A’ ∩ B’ → A’ ∩ B’ = { 1, 3, 5, 7, 9, 11, 12, 13, 14, 15 } ∩ { 2, 4, 6, 8, 10, 11, 12, 13, 14, 15 } = { 11, 12, 13, 14, 15 }

d)

B’ ∪ C’ → B’ ∪ C’ = { 2, 4, 6, 8, 10, 11, 12, 13, 14, 15 } ∪ { 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14 } = { 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 }

e)

A ∪ (B ∩ C) → B ∩ C = {9} Maka A ∪ (B ∩ C) = {2, 4, 6, 8, 10} ∪ {9} = {2, 4, 6, 8, 9, 10} 2

2. - R refleksif kerana xRx, untuk setiap x ∈ A. - R simetri kerana xRy dan yRx, x dan y ∈ A. - R transitif kerana xRy, yRz dan xRz, x, y dan z ∈ A.

Maka R adalah hubungan kesetaraan. Kelas kesetaraan R ialah: S = {{a}, {b},{e},{c, d}}

3

3.

f(x) = 9 - x² 10 8 6 4 2 0 -5

-4

-3

-2

-1

-2

0

1

2

3

4

5

-4 -6 -8

x

-4

-3

-2

-1

0

1

2

3

4

f(x)

-7

0

5

8

9

8

5

0

-7

f(x) = 9 – x² y = 9 – x² x² = 9 – y x = √(9 − 𝑦) 9–y>0 -y > -9 y<9 f(x) = 9 – x² adalah bukan satu ke satu, kerana f(-1) = 8 dan f(1) = 8, akan tetapi – 1 ≠1 dan f = f semua nombor nyata, R f = semua nombor nyata bagi y < 9

4

4. a) p ↔ q

= Aminah tidak pergi berkerja hari ini jika dan hanya jika Aminah sakit.

b) ~ q ^ ~ r

= Aminah tidak sakit dan Aminah tidak pergi berjumpa doktor.

c) q → p

= Jika Aminah sakit maka Aminah tidak pergi berkerja hari ini.

d) r ↔ (q ^ p) = Aminah pergi berjumpa doktor jika dan hanya jika Aminah sakit dan Aminah tidak pergi berjumpa doktor hari ini. e) q → (p ^ r) = Jika Aminah sakit maka Aminah tidak pergi berkerja hari ini dan Aminah pergi berjumpa doktor

5

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