Question

The percentage of battery remaining, y, on a tablet's battery after x hours can be represented by the given graph.

coordinate grid with the x axis labeled time in hours and the y axis labeled percent of battery remaining, with a line that passes through the points 0 comma 40 and 4 comma 0

What is the meaning of the y-intercept in the context of the problem?

After 40 hours, the tablet will have 0 percent of battery left.
The tablet will not have any battery remaining after 4 hours.
The tablet starts with 40 percent of battery remaining.
The tablet loses 4 percent of battery every hour.

Answer 1

[AI-generated answer — Bot GPT 3.5]

The correct interpretation is: The tablet starts with 40 percent of battery remaining.

The y-intercept is the value of y when x is 0, which in this case is 40. This means that when x is 0 (at the beginning), the tablet has 40 percent of its battery remaining.