Jika ( f º g ) ( x) = x*2-2x-2 dan f ( x ) = x-3 maka nilai g (2) =....
Matematika
megawati1305
Pertanyaan
Jika ( f º g ) ( x) = x*2-2x-2 dan f ( x ) = x-3 maka nilai g (2) =....
1 Jawaban
-
1. Jawaban Jawer17
fog(x) = f(g(x))
x² - 2x - 2 = g(x) - 3
g(x) = x² - 2x + 1
g(2) = 2² - 2(2) + 1 = 1