Suatu fungsi dirumuskan 9 (X) = -2 x + 3 jika g (a) = 7 maka nilai a ?
Matematika
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Pertanyaan
Suatu fungsi dirumuskan 9 (X) = -2 x + 3 jika g (a) = 7 maka nilai a ?
2 Jawaban
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1. Jawaban Anonyme
g (x) = -2x + 3
g (a) = 7
-2a + 3 = 7
-2a = 7 - 3
-2a = 4
a = 4/(-2)
a = -2 -
2. Jawaban zakipelajar
Mapel : matematika
Bab : Fungsi
g(x) = -2x + 3
g(a) = 7
Substitusikan
g(a) = -2x + 3
7 = -2(a) + 3
7 - 3 = -2a
4 = -2a
-2 = a