<span>https://www.youtube.com/watch?v=GjYL0-BlejI So, to answer your question yes.</span>
The graph is wrong, the slope is correct but because the sign is less than y that means the line on the graph should be dotted not solid.
Area is in square units.
Square the scale factor: 4^2 = 16
The area is 16 times the original area.
