jika f(x) = x²-2x-17, nilai f(5) - 3f(2) =
Matematika
daramentari012
Pertanyaan
jika f(x) = x²-2x-17, nilai f(5) - 3f(2) =
1 Jawaban
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1. Jawaban Sarahnella
f(5)=(5)²-2(5)-17= -2
f(2)=(2)²-2(2)-17= -17
f(5) - 3f(2)
= -2 -3(-17)
= -2 +51
= 49
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