Respuesta :

  • f(x)=2x+1

[tex]\\ \bull\tt\looparrowright f(a)[/tex]

[tex]\\ \bull\tt\looparrowright 2(a)+1[/tex]

[tex]\\ \bull\tt\looparrowright 2a+1[/tex]

Answer:

2a+1

f(a)=2a+1

so, the answer u get is 2a+1