[tex]Q.[/tex]
Fungsi f(x) = 5 - 3x. Jika f(a) = -1, maka nilai a adalah ....
Jawaban:
F(x) = 5 - 3 x
F(a) = 5 - 3 (a)
-1 = 5 - 3 a
3a = 5 + 1
3a = 6
a = 6/3 = 2
Jadi, nilai a adalah 2
[tex]\boxed{Answer \: by : {\boxed{\blue{\sf{\blue{Ilacintya13}}}}}}[/tex]
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