Respuesta :

jaimemenendezalvarez

Answer: [tex]f(2x)=8x^2-1[/tex]

Step-by-step explanation:

All that is required here is to substitute x = 2x into the right side in the same way that is done for a numeric value.

[tex]f(2x) = 2(2x)^2-1\\f(2x) = 2(4)x^2-1\\f(2x) = 8x^2-1\\[/tex]

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