jika : f(x+5) = 2x - 7 f(x) =?
Matematika
Achilies
Pertanyaan
jika :
f(x+5) = 2x - 7
f(x) =?
f(x+5) = 2x - 7
f(x) =?
1 Jawaban
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1. Jawaban ImmanuelSinaga
f(x+5) = 2x - 7
kita buat agar 2x - 7 jadi berbentuk ax + b
2x - 7 = 2(x+5) - 17
f(x+5) = 2(x + 5) - 17
f(x) = ganti x+5 jadi x
f(x) = 2x - 17