Question

seja f:R-R a funçao definida por f(x) =3x²+1 , calcular f(5) ?

Answer 1

f(x)=3x²+1
f(5)=3.(5)²+1
f(5)=3.25+1
f(5)=75+1
f(5)=76

Answer 2

f(x)=3x²+1 portanto f(5)=3.5²+1= 76