Dayv O. answered 09/30/22
Attentive Reliable Knowledgeable Math Tutor
isn't the equation before reflection
y=2x2-4, ,,,,,,substitute x/2 for x and add 2 to -6
corrected so graph stretched versus shrunk horizontally
reflection over y-axis means using -x for any x, so no reflection (graph is symmetric over y-axis)
reflection over x-axis
-y=2x2-4
y= -2x2+4
Dayv O.
absolutely, thanks for correcting my mistake.09/30/22
Peter R.
09/30/22