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26-04-2019
Mathematics

contestada

Give the polynomial function below find f(-4) f(x) =2x^2 - x+ 9

Respuesta :

28-04-2019

Answer:

f(-4) = 45

Step-by-step explanation:

Put x = -4 to f(x) = 2x² - x + 9:

f(-4) = 2(-4)² - (-4) + 9 = 2(16) + 4 + 9 = 32 + 4 + 9 = 45

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