he equation and the table show the cost, y, for different sports programs as functions of the number
classes, z.
omplete the statements.
When the number of classes is ?
ymnastics is less expensive.
When the number of classes is
ce skating is less expensive.
1
➤
1 or 2
3 or 4
4
Gymnastics Program:
Number of Classes Total Cost ($)
1
2
3
✓
25
50
75
100
Ice-Skating Program: y = 18x + 20
Number of Classes Total Cost ($)
1
2
3
4
20
38
56
74