Helen has been working on a science project about plant growth. Plant A started at a height of 6 cm and exhibited steady growth during the first four weeks of the project. After those four weeks, Plant A was 26.8 cm in height.
In a linear model of Plant A's growth, x represents the number of weeks after being planted, and y represents the plant's height [in cm]

Relative to this model, which of the following statements applies

Question

Helen has been working on a science project about plant growth. Plant A started at a height of 6 cm and exhibited steady growth during the first four weeks of the project. After those four weeks, Plant A was 26.8 cm in height. 
In a linear model of Plant A's growth, x represents the number of weeks after being planted, and y represents the plant's height [in cm]

Relative to this model, which of the following statements applies