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17-09-2020
Mathematics

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if f(x)= 2x^2+4, find f(-2)

Respuesta :

Аноним Аноним

17-09-2020

Answer:

Step-by-step explanation:

Plug in -2 for x:

[tex]f(x) = 2x^2 + 4\\f(-2) = 2(-2)^2 + 4\\f(-2) = -4^2 + 4\\f(-2) = 16 + 4\\f(-2) = 20[/tex]

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