2. at the beginning of a storm, a pond was 16 cm deep. during the storm, the depth increased by 1.5 cm every hour, for 8 hours.

write a function equation to represent the situation.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible