Question

Dada a função f;r R por f(x ) =x 2 +2 determine o valor de f(2) + f(3) - f(1)

Answer 1

Resposta:

$f(x) =x^2+2\\f(2)=2^2+2=4+2=6\\f(3)=3^2+2=9+2=11\\f(1)=1^2+2=3\\f(2)+f(3)-f(1)=6+11-3=14$