Graph these and remember to identify what's going on -- and not by plotting points. Label 5 points!
Let's sum up what we've got here:
When there's a number INSIDE with the x guy:
It's a horizontal shift!
*I always remember that, if the extra thing is inside with the x, then if affects x values -- these move it back and forth along the x-axis.
Check out this animation for a little review: