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Before watching the videos, think about and answer these questions to the best of
Melissa is driving along a straight road from Dallas, Texas to Oklahoma City,
Oklahoma at a constant velocity. Every increase of ten minutes in the number of
minutes since passing the state line, her distance from Oklahoma City decreases by
seven miles. Which of the following statements is definitely true? (Note: can be read
as “change in ” and as “change in .”)
(a) (b) (c) (d) Only statements (a) and (b) are definitely true.Only
statements (c) and (d) are definitely true.
A candle has been burning at a constant rate of change of 1.25 inches per hour. The
candle has been burning for 4 hours and is 5.5 inches tall. What was the length of the
candle before it was lit?