Question

Jawaban lengkap dengan cara yah kack​

Answer 1

• Diketahui :

f(x) = 5x + 12

g(x) = 2x - 7

• Ditanya :

(fog) (-1) ?

• Jawab :

• Menentukan nilai (fog) (x)

(fog) (x)

f(g(x))

5(2x - 7) + 12

10x - 35 + 12

10x - 23

• Menentukan nilai (fog) (-1)

(fog)(-1) = 10x - 23

(fog) (-1) = 10(-1) - 23

(fog) (-1) = -10 - 23

(fog) (-1) = - ( 10 + 23 )

(fog) (-1) = -(33)

(fog) (-1) = -33

Answer 2

Penjelasan dengan langkah-langkah:

FUNGSI KOMPOSISI

f(x) = 5x + 12

g(x) = 2x – 7

(f o g)(x) = f(2x – 7)

(f o g)(x) = 5(2x – 7) + 12

(f o g)(x) = 10x – 35 + 12

(f o g)(x) = 10x – 23

(f o g)(–1) = 10(–1) – 23

(f o g)(–1) = –10 – 23

(f o g)(–1) = – (10 + 23)

(f o g)(–1) = – 33 ✔