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20-04-2022
Physics

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If f(x) = -x2+x-1 then value of f(f(2)) is

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Аноним Аноним

20-04-2022

Answer:

-13

Explanation:

Function

f(x) = -x² + x - 1

Solving

Substitute 2 in place of x
f(2) = -(2)² + 2 - 1
f(2) = -4 + 2 - 1
f(2) = -3
f(f(2)) = f(-3)
f(-3) = -(-3)² - 3 - 1
f(-3) = -9 - 3 - 1
f(f(2)) = -13

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