8. Diketahui rumus fungsi f(x)= 3x + 2. Jika f(a)=17, nilai a adalah….

By Posted on

A 2.
B. 3
C. 5
D. 6
plissss cepet jawab ya…​

8. Diketahui rumus fungsi f(x)= 3x + 2. Jika f(a)=17, nilai a adalah….

PENYELESAIAN:

f(x) = 3x + 2 \ f(a) = 3a + 2 = 17 \ 3a + 2 = 17 \ 3a = 15 \ a = 5

===================================================

DETAIL JAWABAN:

Kelas: 8

Mapel: Matematika

Bab: 2

Kode: 8.2.2

Kata kunci: Fungsi

Jawaban:

C.5

Penjelasan dengan langkah-langkah:

masukin aja angka yg di pilihan jawabanya

1. a 2 = 3x+2

= 3(2)+2

= 8

2.b 3. = 3(3)+2

= 11

3.c.5. = 3(5)+2

= 17

jadi jawabanya c.5