Question

dada a função f(x) = 7x - 35 o valor de f (2) e´:

Answer 1

F(2)=7.2-35=
f(2)=14-35=
f(2)=-21

Answer 2

 f(x) = 7x - 35
 f (2) = 7.(2) - 35
 f (2) = 14 - 35 
 f (2) = - 21