Respuesta :

[tex]f(x)=21x+13[/tex]

In order to find f(7) we need to evaluate the given function for x = 7, so:

[tex]\begin{gathered} x=7 \\ f(7)=21(7)+13 \\ f(7)=147+13 \\ f(7)=160 \end{gathered}[/tex]

Answer:

f(7) = 160

Otras preguntas