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14-09-2018
Mathematics

contestada

Ifƒ(x ) = 3x + 1 and ƒ -1 = (x-1)/3,
then ƒ(2) =

A) 1/3
B) 1
C) 7

Respuesta :

14-09-2018

The problem gave us the equation for [tex]f(x)[/tex], which was [tex]f(x) = 3x + 1[/tex]. To find [tex]f(2)[/tex], we can simply substitute 2 in for [tex]x[/tex], as shown below:

[tex]f(2) = 3(2) + 1 = 7[/tex]

The answer is f(2) = 7.

Answer Link

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