jika f(x+5)= x²+2×+1 maka f(3)=
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jika f(x+5)= x²+2×+1 maka f(3)=
1 Jawaban
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1. Jawaban Kilos
f(x + 5) = x² + 2x + 1
f(x + 5 - 5) = (x - 5)² + 2(x - 5) + 1
f(x) = (x - 5)² + 2(x - 5) + 1
f(3) = (3 - 5)² + 2(3 - 5) + 1
= (-2)² + 2(-2) + 1
= 4 - 4 + 1
= 1