Example 9: Sara drove at a rate of 3 miles every 6 minutes. Fill in the table to describe the relationship.
6
12 18
124
30
Time (minutes)
9 Distance (miles)
6
99
12
15
4
Graph the relationship.
20
2
Find the slope of the line and the unit
rate. What does the slope represent
in the context of the problem?
Distance (mi)
Unit Rate: 3miles commi 246310
0
20
Slope:
30
Time (min)

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.