The answer is -8 I’m believing
Because x is negative the domain of the function is all negative real numbers.
Set the radical greater than or equal to 0:
-x >= 0
Turn x positive by multiplying both sides by -1. When you multiply an inequality by -1 you need to reverse the inequality sign:
X <= 0
Domain is all real numbers below 0 so all negative real numbers.
He rides 100 miles in 8 hours
Reflections and glide reflections both give you a transformation where the preimage and image have opposite orientations.