The percentage of battery remaining after a certain number of hours after a cellphone is turned on can be represented by the graph shown.
Part A: Write an equation in slope-intercept form to describe the relationship in the graph. (2 points)
Part B: Explain how you determined the equation. (1 point)
Part C: What is the meaning of the slope in the given situation? (1 point)
![The percentage of battery remaining after a certain number of hours after a cellphone is turned on can be represented by the graph shown Part A Write an equatio class=](https://us-static.z-dn.net/files/dcd/d84c3d916278cda4415a3c4a883f3533.png)