Select the correct answer from each drop-down menu. Gilbert is training for a bike race. As part of his training, he does practice rides on portions of the actual race course. Gilbert's first practic
covers 5 miles of the course, and his second practice ride covers 9 miles of the course. Between these practice rides, he increases his ave
speed by 2 miles/hour.
These functions model the time it took Gilbert to do each practice ride, where x is his speed during the first practice ride.
Practice Ride 2
Practice Ride 1
a(x) =
8(0)
+ 2
The denominator of the function that models practice ride 2 represents the
To find a function that models the total amount of time Gilbert spent doing practice rides on the race course,
the functions.
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