Question

considere a função real de variavel real f(×)=×2 + 4× + 4. determine f(1/4)

Answer 1

Olá,
f(1/4)= (1/4)² + 4.1/4 +4
f(1/4)= 1/16 +1 +4
f(1/4)= 5+1/16
f(1/4)= 81/16
Abraços.

Answer 2

f(1/4) = 1/4.2 + 4.1/4 + 4
f(1/4) = 2/4 +4/4 + 4
f(1/4) = 0,5 + 1+ 4
f(1/4) = 5,5