Which function describes the arithmetic sequence shown? 1, −2, −5, −8, −11,
A) ƒ(x) = 3x + 4
B) ƒ(x) = 3x − 4
C) ƒ(x) = −3x + 4
D) ƒ(x) = −3x − 4

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.