Which function can be represented by the graph?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41