Okey, so I already know how to determine the slope by looking at it from a graph. But I'm a little confused on how to do it like if it were a fraction (Sorry I'm not very specific.) But here's an example of one of my problems I have:

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Consider the graph of the exponential function y=3(2)×