jika f(x) =x²-1 dan g (x) =x²-x-2, maka (gof)(-1)= ......... a.-2 b.1 c.0 d.-1 e.2 pakai caranya yaaaaa.......
Matematika
Divaramadanti11
Pertanyaan
jika f(x) =x²-1 dan g (x) =x²-x-2, maka (gof)(-1)= .........
a.-2
b.1
c.0
d.-1
e.2
pakai caranya yaaaaa.......
a.-2
b.1
c.0
d.-1
e.2
pakai caranya yaaaaa.......
1 Jawaban
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1. Jawaban Anonyme
jawab
gof(-1) = g { f(-1) } = g {(-1)^2 -1)}= g(1-1) = g(0)
gof(-1) = o^2 -0 -2
gof(-1) = -2