F(x-2)=x²+1,maka f(x-1)
Jawaban:
f(x – 1) = x² + 2x + 2
Penjelasan dengan langkah-langkah:
f(x – 2) = x² + 1
f(x) = (x + 2)² + 1
f(x) = x² + 4x + 4 + 1
f(x) = x² + 4x + 5
f(x – 1) = (x – 1)² + 4(x – 1) + 5
f(x – 1) = x² – 2x + 1 + 4x – 4 + 5
f(x – 1) = x² + 2x + 2