C.) Aaron turns on the air conditioner in a conference room and the temperature of the room steadily decreases to a comfortable temperature. The temperature of the room stays the same for a while and then Aaron decides it is too cold, so he turns on the heat and the temperature of the room steadily increases. When the temperature in the room becomes comfortable, Aaron turns off the heat and the temperature in the room stays the same for the rest of the conference.
To stretch it vertically, you'll need a coefficient greater than 1 in front of the x. If you want to flip the graph over the x axis that coefficient needs to be negative. So it can only be D
