Q.f(x) = 7x + 4² f(9) = ?__ Rules: pke cara!!No copas!!No ngasal!!Lengkap >> BeA ___ nt : Akhirnyaaa.... Question from @naurahafqary

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Jawaban:

Diketahui :

$\sf{{{f(x) = 7x + 4² }}}$

Ditanya :

$\sf{{{nilai \: dari \: f(9) }}}$

Dijawab :

f(x) = 7x + 4²

f(9) = 7(9) + 4²

f(9) = (7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7) + 4²

f(9) = (14 + 7 + 7 + 7 + 7 + 7 + 7 + 7) + 4²

f(9) = (21 + 7 + 7 + 7 + 7 + 7 + 7) + 4²

f(9) = (28 + 7 + 7 + 7 + 7 + 7) + 4²

f(9) = (35 + 7 + 7 + 7 + 7) + 4²

f(9) = (42 + 7 + 7 + 7) + 4²

f(9) = (49 + 7 + 7) + 4²

f(9) = (56 + 7) + 4²

f(9) = 63 + 4²

f(9) = 63 + (4 + 4 + 4 + 4)

f(9) = 63 + (8 + 4 + 4)

f(9) = 63 + (12 + 4)

f(9) = 63 + 16

f(9) = $\boxed{79}$

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Kesimpulan :

$\sf{{{Maka \: nilai \: dari \: f(9) \: adalah }}}$ $\boxed{79}$

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Detail jawaban :

Mapel : Matematika
Kelas : Vlll
Tingkat : Sekolah Menengah Pertama
Materi : Fungsi
Kode soal : 2
Kode katagorisasi : 8.2.2
Kata kunci : Nilai dari $\boxed{f(9)}$

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