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FUNGSI

Authored by Aini Habibah

Mathematics

10th Grade

Used 4+ times

FUNGSI
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui f(x) = x + 2 dan g(x) = x² - 7. Tentukan (f + g) (x)!

x² + x - 5

x² + x + 5

x + x² - 5

x + x² + 5

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui f(x) = x³ + 8x dan g(x) = 2x - 5. Tentukan (f - g) (x)!

x³ + 6x - 5

x³ + 6x + 8

x³ + 6x + 5

x³ + 6x - 8

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui f(x) = x - 3 dan g(x) = x² + 2x. Tentukan (f . g) (x)!

x² - x³ - 6x

x² - x³ + 6x

x³ - x² + 6x

x³ - x² - 6x

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui fungsi f(x) = x+5 dan g(x) = x²–16. Daerah asal yang memenuhi fungsi f(x) + g(x) adalah ….

x | x = 0

x | x ≠ 0, x є R

x | x ≥ 0, x є R

x | x є R

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui fungsi f(x) = 3x + 4 dan g(x) = x2 + 6. Nilai x yang memenuhi (f o g)(x) = 49 adalah ….

–6 dan 6

–5 dan 5

–4 dan 4

–3 dan 3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sebuah parabola diketahui memiliki persamaan x2 + 2x – 8 = 0. Titik puncak pada kurva seperti persamaan di atas adalah ….

(–1, 9)

(–1, –9)

(1, 9)

(–9, –1)

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui f(x) = x + 2 dan g(x) = x² - 4. Tentukan (f + g) (x)!

x² + x - 2

x² + x + 2

x² + x - 4

x² + x + 4

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