28-02-2019
Mathematics

contestada

find f(-2) if f(x)=x^4+2x^2-1

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

28-02-2019

Answer:

23

Step-by-step explanation:

f(x)=x^4+2x^2-1

Let x = -2

f(-2) = (-2)^4 +2(-2)^2 -1

=16 +2*4-1

=16+8-1

24-1

23

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