What is the inverse of the function f(x)
X + 2?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

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

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers