F (x) = 2x + 5 G( t) = t-1 / t+4 (F o g )(a) = 5 a = ?
Matematika
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Pertanyaan
F (x) = 2x + 5
G( t) = t-1 / t+4
(F o g )(a) = 5
a = ?
G( t) = t-1 / t+4
(F o g )(a) = 5
a = ?
1 Jawaban
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1. Jawaban Anonyme
g(t) = (t - 1)/(t + 4)
g(a) = (a - 1)/(a + 4)
f(g(a)) = 5
2(a - 1)/(a + 4) + 5 = 5
2(a - 1)/(a + 4) = 0
a - 1 = 0
a = 1