You start at (6, 7). You move right 3 units and left 3 units. Where do you end?
2 answers:
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Keeping in mind that there are 5280 ft in 1 mile, and there are 60 minutes in 1 hr and 60 seconds in 1 minute, therefore 60*60 seconds in 1 hr, or 3600 seconds, then.
If h moves the graph left or right, 
(moves left)
(moves right)
If a vertical stretch by a factor of |h|, then
If h moves the graph up or down,
(moves up)
(moves down)
and h = 1
If a vertical stretch by a factor of |h|, then
If h moves the graph up or down,