10-06-2020
Mathematics

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Please help with my math

Please help with my math class=

Respuesta :

jaimemenendezalvarez jaimemenendezalvarez

10-06-2020

Answer: 9x-20

Step-by-step explanation:

The function is [tex]f(x)=3x-5[/tex], in order to obtain f(f(x)) you have to replace x in the function by the function itself:

[tex]f(f(x))=3(3x-5)-5=9x-15-5=9x-20[/tex]

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