Are f(x) and g(x) inverse functions? Why or why not?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Y= a(x-3)squared-1 what is the value of a