Question

estudo do sinal da função f (x)=-x-5

Answer 1

f(-2)=-(-2)-5
f(-2)=2-5
f(-2)=-3

f(-1)=-(-1)-5
f(-1)=1-5
f(-1)=-4

f(0)=-(0)-5
f(0)=0-5
f(0)=-5

f(1)=-(1)-5
f(1)=-1-5
f(1)=-6

f(2)=-(2)-5
f(2)=-2-5
f(2)=-7