peguibraz
peguibraz
30-03-2017
Mathematics
contestada
Sabendo que f(g(x))=3x-7 e f(x)=1/3x2, então
Respuesta :
ghanami
ghanami
30-03-2017
Hello :
find : g(x) if
f(g(x))=3x-7 and f(x)=1/3x2
f(g(x)) = 1/3(g(x))2 = 3x-7
solve : 1/3(g(x))2 = 3x-7
(g(x))2 = 9x-21
g(x) =
√(9x-21)
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