Jika f(x) = ax+3, a tidak = 0, dan f invers( f invers(9)) =3 nilai a^+a+1 =
Matematika
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Pertanyaan
Jika f(x) = ax+3, a tidak = 0, dan f invers( f invers(9)) =3 nilai a^+a+1 =
1 Jawaban
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1. Jawaban Anonyme
F(x) = ax+3
F^-1(9)=3
F(3) = 9
F(3) = a(3) +3
= 9 = 3a+3
= 3a = 6
= a=2
a²+a+1
= 2²+2+1
= 7