1. KNITTING Sarah learns to knit from her grandmother. Two days ago, she measured the length of the scarf she is knitting to be 13 inches. Yesterday, she measured the length of the scarf to be 15.5 inches. Today it measures 18 inches.
Write a function to represent the arithmetic sequence.
2. REFRESHMENTS You agree to pour water into the cups for the Booster Club at a football game. The pitcher
contains 64 ounces of water when you begin. After you have filled 8 cups, the pitcher is empty and must be refilled.
a. Write a function to represent the arithmetic sequence.
b. Graph the function.
72
64
56
48
40
321
24
16
-8
3 4 5 6 7 8 9