Ответ:
f(x) = x² + 5x - 4
Объяснение:
f(x - 1) = x² + 3x - 8
f(x) = f(x-1 + 1)
f(x) = (x + 1)² + 3 · (x + 1) - 8
f(x) = x² + 2x + 1 + 3x + 3 - 8
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Ответ:
f(x) = x² + 5x - 4
Объяснение:
f(x - 1) = x² + 3x - 8
f(x) = f(x-1 + 1)
f(x) = (x + 1)² + 3 · (x + 1) - 8
f(x) = x² + 2x + 1 + 3x + 3 - 8
f(x) = x² + 5x - 4