Answer: Without the graph or any additional information, it is difficult to provide a specific equation for ��D. However, we can make some general observations about the graph and interpret the y-intercept in the context of the problem.
From the graph, we can see that the distance Liam is from City A is decreasing as time passes. This makes sense since Liam is driving towards City A. We can also see that the graph appears to be a straight line, which suggests that Liam is traveling at a constant speed.
Assuming that Liam starts at a distance of D0 from City A, we can write the equation for ��D as:
��D = D0 - rt
where r is the constant speed at which Liam is traveling.
The y-intercept of the graph is the point where the line intersects the y-axis, which corresponds to the value of ��D when t = 0. In the context of the problem, this means the y-intercept represents the initial distance Liam is from City A before he starts driving. If we know the value of the y-intercept, we can determine the starting distance D0 by adding it to the distance Liam travels over time.
Without specific values, it is difficult to provide a more detailed interpretation of the y-intercept or to determine the actual equation for ��D.
Explanation: