The graph shows how the weight of a puppy is changing over time. A. What is the slope of the line in the graph?

$$
$\frac{x}{ }$
$x\frac{ }{ }$
What is the meaning of the slope in this situation?

B. What is the y-intercept of the line in the graph? What is the meaning of the y-intercept in this situation?

C. If the puppy continues to grow at the same rate for the first 100 days, how much will it weigh when it is 100 days old? Explain how you found your answer.