Question

dada a funcao
f(x)=3-x+1 calcule f(2)+f(5)

Answer 1

f(2)=-3.2+1

       -6+1

          -5

f(5)= -3.5+1

         -15+1

            -14

-5+(-14)

  -19

Answer 2

Resposta:

f(x)=3-2+1. f(x)=3-5+1. f(x)= 2+(-1)

f(x)=1+1. f(x)=-2+1. f(x)= 2-1

f(x)=2. f(x)= -1. f(x)= 1