Ascientist is performing an experiment on a powder. which of the following is a sign that a chemical change has definitely occurred during his experiment?
the powder catches on fire
the powder bubbles
the power heats up
the powder brakes into small particles

2. does the given statement describe a step in the transformation of the graph off(x) = x2 that would result in the graph of g(x) = -5x + 2)? a. the parent function is reflected across the x-axis. o yes nob. the parent function is stretched by a factor of 5. yes noonc. the parent function is translated 2 units up. o yes