Which of the following sets represent an arithmetic sequence? A {-5, – 2, 1, 4, 7,...}
B {2, 5, 9, 14, 20, ...}
C{-3, 0, 4, 9, 15, ...}
D {1, 3, 6, 10, 15, ...}

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes