Question

Considerando a função f, dada por f(x)=3x+1, calcule f(2)

Answer 1

F(x)= 3x+1 
F(2)= 3.2+1
F(2)= 6+1
F(2)= 7

Answer 2

f(x)=3X+1
f(2)=3.2+1
f(2)=6+1
f(2)=7