5. Diketahui f(x) = 2x-3 dan g (x) = x + 2 maka (g of)¹ (x) = …

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A. 12 (x+1)
B. X + 1
C. 1 X + 1
D. X + 12
E 12(x – 1)​

5. Diketahui f(x) = 2x-3 dan g (x) = x + 2 maka (g of)¹ (x) = …

Penjelasan dengan langkah-langkah:

(gof)(x) = g(f(x))

= g(2x – 3)

= 2x – 3 + 2

= 2x – 1

misal (gof)(x) = y dan x = f(y)

y = f(y) – 1

y+1 = f(y)

(gof)^-1(x) = x + 1 (B)

btw itu maksudnya invers kan?