Write an exponential equation in the form
y = a^{x - b} + c

The graph below could be the graph of which exponential function?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

This is so hard and it’s for a test