Suppose you went on vacation but forgot your smartphone charging cable. Your phone battery died after 2 full days (48 hours) of use.

This situation is modeled by the equation: , where h is the hours of cell phone use and f(h) is the percentage of battery left.

QUESTION: What is the upperbound of the parameter h? What is the lowerbound of the parameter h?

Gray looks up the definition of point. a point is a location in a region. what is true about the statement describing the word point? 1. the statement uses the terms location and region that are defined based on an understanding of a point. 2.the statement precisely defines the concept of a point. 3. the statement does not include information needed to fully define a point. 4. the statement is an incorrect description of a point because it does not use mathematical words.