f(x)= 1-x^2 g(x)= 1+ 2x gof(x)=......?
Matematika
limoi
Pertanyaan
f(x)= 1-x^2
g(x)= 1+ 2x
gof(x)=......?
g(x)= 1+ 2x
gof(x)=......?
2 Jawaban
-
1. Jawaban kekkaiisshi
f(x) = 1 - x²
g(x) = 1 + 2x
(gof)(x) = g(f(x)) = 1 + 2(1 - x²) = 1 + 2 - 2x² = 3 - 2x² -
2. Jawaban junghyeae
g (f(x)) = g (1-x^2)
= 1 + 2x
= 1 + 2 ( 1 - x^2)
= 1 + 2 - 2x^2
= 3 - 2x^2