Respuesta :


[tex]f(x) = 4x + 1 \\ f(3) = 4(3) + 1 \\ = 12 + 1 \\ = 13[/tex]

Answer: 13

Step-by-step explanation:

f(x) = 4x + 1

f(3) = 4(3) + 1

     = 12 + 1

     = 13