How do you solve this problem. i need with this equation. can you me?

Question 13 of 451 pointwhich statement correctly describes the inverse of the following function? a. it is negative. b. it is a horizontal shift. c. it is not a function. d. it is a function. give an explanation as to why you chose that answer. (i think its either a or d.)

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?