Question

seja a função y=3x+12
qual o valor de y para x=2/3???????

Answer 1

y=3x+12
f(2/3)=3*(2/3)+12
f(2/3)=6/3+12
f(2/3)=2+12
f(2/3)=14
y=14

Answer 2

y = 3x + 12
y = 3.  2   + 12
          ----
            3

y = 6/3 + 12
y = 2 + 12
y = 14