Answer :
Evaluating a function
In order to find f(-4), we want to evaluate
f(x) = -x - 5
when x = -4, so we just have to replace x by -4:
f(x) = -x - 5
↓
f(-4) = -(-4) - 5
↓
f(-4) = 4 - 5
↓
f(-4) = -1
Answer: D