If f(x)=x+6 and g(x) = 3x², find (f+g)(x) and (f+g)(5). (f+g)(x) =
(Simplify your answer)

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236