Soal nomor 15 bantu dong kak
gak ngerti cara kerjanya nih
gak ngerti cara kerjanya nih
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f(x) = 2x - 3
Penjelasan dengan langkah-langkah:
f(x) = px + q
f(2) = 2p + q = 1
f(-3) = -3p + q = -9
------------------- -
5p = 10
p = 10/5
p = 2
2p + q = 1
2x2 + q = 1
4 + q = 1
q = 1 - 4
q = -3
maka persamaannya
f(x) = 2x - 3
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