Which of the following is true about the function below? Vx+4
x+4
A. Its domain is ( - 4,) and its range is (-0,9).
O B. Its domain is [ -4,) and its range is (-0,0) U (0,).
O C. Its domain is (-«,0) and its range is (0,5).
D. Its domain is (-4,) and its range is (0,0).

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