jika f(x)=3-x^2 dan 1/x+5 maka nilai (gof) (2)=
Matematika
jay64
Pertanyaan
jika f(x)=3-x^2 dan 1/x+5 maka nilai (gof) (2)=
1 Jawaban
-
1. Jawaban Wiraa
Penyelesaian:
f(x) = 3-x²
g(x) = 1/x+5
(gof)(x) = 1/(3-x²) + 5
= 1/8-x²
(gof)(2) = 1/8-x²
= 1/8-(2)²
= 1/8-4
(gof)(2) = 1/4