f(x)= 2x+1 g°f (g dot f)(x)=x^2+3x+1 Maka g(3)=..?
Matematika
RenLukas
Pertanyaan
f(x)= 2x+1
g°f (g dot f)(x)=x^2+3x+1
Maka g(3)=..?
g°f (g dot f)(x)=x^2+3x+1
Maka g(3)=..?
1 Jawaban
-
1. Jawaban Anonyme
jawab
f(x)= 2x + 1
gof(x) = x² + 3x + 1
g(2x+1) = x²+ 3x + 1
g(3)= ...
2x + 1 = 3
2x = 2
x = 1
g(3) = (1)² + 3(1) + 1
g(3)= 5