The population of jellyfish found in part of the Gulf of Mexico has been increasing since the year 2000. The table below shows the number of jellyfish, y, observed in the area 2 years after 2000.

Which of the following exponential functions best models this data?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?