jika f(×)= 5×+2 dan g((f)= 14×6 maka nilai g(7)
Matematika
dimas1971
Pertanyaan
jika f(×)= 5×+2 dan g((f)= 14×6 maka nilai g(7)
1 Jawaban
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1. Jawaban Anonyme
jawab
f(x) = 5x + 2
g{ f(x)} = 14x + 6
g(5x+2} = 14x + 6
5x + 2 = 7
5x = 5
x = 1
g(7) = 14(1) + 6
g(7) = 20