The graph below depicts the length of a spring vs. the weight suspended from it. Construct a good straight-line model for this data and use your model to determine the length of the spring when weight 50 grams is suspended. Determine also the weight required to achieve length 32 cm. The x axis is marked in units of 11 grams and the y axis in units of 23 cm, both starting at (0,0).

Interpret both the x and the y intercepts of this graph.