Jackie went on a run and recorded her speed throughout the
run. Between 10 minutes and 15 minutes, her average rate of
change was 3 mph. What does this mean?
a From 10 mins to 15 mins 3 mph was her speed.
b
From 10 mins to the end of her run, 3 mph was
her speed.
From 10 mins to 15 mins 3 mph was the distance
she ran.
d For the first 10 mins, 3 mph was her speed.

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