f(x) = x² - x
f(-1) = (- 1)² - (- 1) = 1 + 1 = 2
Ответ : f(- 1) = 2
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f(x) = x² - x
f(-1) = (- 1)² - (- 1) = 1 + 1 = 2
Ответ : f(- 1) = 2