A- 2.01 = 5.5 b + 2.01 = 5.5 Help

Which of the following tables represents exponential functions?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Which representation has a constant of variation of -2.5