Question

dada a função f(x)= 6x + 18 encontre f (0)=

Answer 1

f (0)= 6.0+18
f (0)=0+18
f (0)=18

Answer 2

f (x)= 6x + 18
f (0)= 6.0+18
f (0)=0+18
f (0)=18