KingSam7084 KingSam7084

20-07-2018
Mathematics

contestada

Given the function f(x) = 2(x + 4), find x if f(x) = 20.

6

48

14

8

Respuesta :

21-07-2018

[tex]f(x)=2(x+4)\\\\f(x)+20\to2(x+4)=20\ \ \ |:2\\\\x+4=10\ \ \ \ |-4\\\\\boxed{x=6}[/tex]

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