Respuesta :

Answer:

31

Explanation:

Given f(x) defined as follows:

[tex]f\mleft(x\mright)=3x-x+23[/tex]

When x=4

[tex]\begin{gathered} f(4)=3(4)-4+23 \\ =12-4+23 \\ =8+23 \\ =31 \end{gathered}[/tex]

The value of f(x) when x=4 is 31.

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