Question

Considerando a função f, dada por

Answer 1

f(0)=2.0
f(0)=0

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

f(1)=1²+5.1-1
f(1)=1+5-1
f(1)=5

f(5)=5²+5.5-1
f(5)=25+25-1
f(5)=49

f(6)=-2.6+2
f(6)=-12+2
f(6)=-10

f(0)+f(-1)+f(1)=
0+(-2)+5=
0-2+5=
3

f(5)+f(6)=
49+(-10)=
49-10=
39

3/39=1/13