Y'all know what to do

If f(x)= 3x+6 which of the following is the inverse of f(x)

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

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00