1) Dada a função f: R→⁠R tal que f(x) = x² + 2x, determine o valor de f(2) + f(3) - f (1)..... Pergunta de ideia demarih198032

marih198032 @marih198032

August 2023 1 17 Report

1) Dada a função f: R→⁠R tal que f(x) = x² + 2x, determine o valor de f(2) + f(3) - f (1).

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klebber48
f(2) = 2² + 2(2) = 4 + 4 = 8
f(3) = 3² + 2(3) = 9 + 6 = 15
f(1) = 1² + 2(1) = 1 + 2 = 3

f(2) + f(3) - f(1) = 8 + 15 - 3 = 20

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