# Example 1

- Author:
- Walch Education

- Topic:
- Function Graph

The following graph shows a linear model that approximates the relationship between the size of a home and how much it costs. The

*x*-axis represents size in square feet, and the*y*-axis represents cost in dollars. Calculate the slope and the*y*-intercept of the linear model, and describe what these values mean in terms of housing prices.