In the following limit, identify f(x), a, and L.
limx→−1(−2x−4)=−2
Select the correct answer below:


f(x)=−2x−4; a=−2; L=−1
f(x)=−2x−4; a=−1; L=−2
f(x)=−2x−1; a=−2; L=−1
f(x)=−2x−1; a=−1; L=−2