f(x - 1) = x² + 2x + 2
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
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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